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Добірка наукової літератури з теми "Covid-19 – Vaccination"

Автор: Grafiati

Опубліковано: 25 січня 2025

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Статті в журналах з теми "Covid-19 – Vaccination"

Herzeel, Ann, Yassine Aikar, Zakaria Bouzid, Nathalie Clement, and Stéphanie Marheux. "Vaccination Covid-19." International Journal of Integrated Care 23, S1 (December 28, 2023): 790. http://dx.doi.org/10.5334/ijic.icic23640.

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Introduction: After the first vaccination campaign, a low vaccination coverage was observed in Brussels. This is linked to an accumulation of factors such as limited accessibility, confidence in the effectiveness and safety of the vaccine or in the public institutions combined with complicated transport solutions and a lack of vaccinators. These are significant barriers to improving immunization coverage, particularly in vulnerable neighborhoods. In order to increase coverage and also in the perspective of vaccinating everyone (vacci4all project), Common Community Commission (COCOM) has decentralized vaccination through temporary initiatives: local antennas, mobile teams, door-to-door visits, GP’s, awareness-raising by pharmacists, call-centers,... The results have reinforced the idea of decentralization to reach the most vulnerable. The idea of vaccination in pharmacies was explored, bringing new perspectives regarding long-term management. Method: 1. Pharma-on-tour Through an application system and the establishment of quality criteria, 5 pharmacies with experience in vaccination centers are integrated into the pilot project: doctors come to the pharmacy to vaccinate patients previously sensitized by the pharmacist. The pharmacists prepare the vaccines; the doctors administer them. The project is financed by the Brussels-Capital Region (BCR). 2. Vaccipharma A few days after the publication of the March 11, 2022 law allowing pharmacists to vaccinate, the Vaccipharma project is launched: vaccination by pharmacists starts in 5 pharmacies that meet the quality requirements. 3. Timesheet Without a remuneration framework, the acts of preparation and vaccination are still covered by the region on the basis of an hourly rate determined by Timesheets which are filled in by the pharmacists who keep track of the acts related to the vaccination which helped determine a remuneration in accordance with reality/practice. 4. Implementation of the NIHDI remuneration framework and extension to the entire BRSince September 1, 2022, pharmacists can be remunerated for the acts of preparation of vaccine doses and vaccinations by the NIHDI. Any person, insured or not, can be vaccinated in a pharmacy. In addition to the vaccination in the pharmacy, the COCOM takes care of the delivery to the first line as well as the preparation and delivery to the nursing homes and communities. 5. Extension of the project from 28 to 135pharmacies All Brussels municipalities have vaccinating pharmacies. Each pharmacy was inspected and given training to ensure the respect of the government's quality requirements. Results/Lessons learned: The need to focus on decentralized vaccination initiatives that combine proximity, quality and trust was reaffirmed. This is demonstrated by the fact that the preferred location for patients seeking a primary vaccination is the pharmacy. This promising and sustainable project enables a local supplying and is a catalyst for first line vaccination in an infrastructure that provides a quality of reception and service in a place familiar to the public, with a very interesting cost-benefit-quality ratio. The individual approach and direct communication can increase vaccination coverage, particularly in vulnerable neighborhoods. A survey of patients reveals a high level of satisfaction both in terms of reception, booking, information received, privacy, proximity, ease, speed, accessibility and in the trust-based relationship.

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Rista Dwi Lestari, Dina Safira Putri, Dwi Nuning Anggraeny, and Ririn Puspita Tutiasri. "Persepsi Mahasiswa Terhadap Pemberitaan Vaksinasi Covid-19 Pada Media Sosial Instagram." Jurnal ISIP: Jurnal Ilmu Sosial dan Ilmu Politik 18, no. 2 (September 28, 2023): 101–8. http://dx.doi.org/10.36451/jisip.v18i2.58.

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The Covid-19 vaccination activity in Indonesia at the end of 2020 caused a new polemic in the community and gave rise to various positive and negative opinions about vaccination. Experts and public figures explain the importance of vaccinating Covid-19 through their social media accounts. Social media became a medium at the current covid-19 pandemic to share information and policies on Covid-19. The study discussed students’ perceptions in Surabaya of the Covid-19 vaccination information on Dr. Tirta’s social media account. We conducted this study with a qualitative approach and online data-collection technique for interviews with eight student informers over 20-26 years. Studies show that six out of eight informers claim that postings about vaccinations on Dr. Tirta’s Instagram account have significantly been affected by information coupled with accurate data. Dr. Tirta’s covid-19 vaccination information on the student’s Instagram account has a powerful influence on a student’s perception of the Covid-19 vaccination and can transform a student’s actions by willingly vaccinating a Covid-19.

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Liew, Xin Wei, Zer Han Malcolm Tang, Yan Qing Cherie Ong, and Kay Choong See. "Hearing Loss after COVID-19 and Non-COVID-19 Vaccination: A Systematic Review." Vaccines 11, no. 12 (December 9, 2023): 1834. http://dx.doi.org/10.3390/vaccines11121834.

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(1) Background: Vaccine safety is an important topic with public health implications on a global scale. The purpose of this study was to systematically review available literature assessing sensorineural hearing loss (SNHL) incidence and severity following both coronavirus disease 2019 (COVID-19) and non-COVID-19 vaccinations, as well as prognosis and outcomes. (2) Methods: This systematic review was performed according to the Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. Relevant publications evaluating post-vaccination SNHL were selected from PubMed and Embase, searching from inception to July 2023. (3) Results: From 11 observational studies, the incidence of post-vaccination SNHL was low for both COVID-19 and non-COVID-19 vaccines, ranging from 0.6 to 60.77 per 100,000 person-years, comparable to all-cause SNHL. (4) Conclusions: The incidence rates of SNHL following COVID-19 and non-COVID-19 vaccinations remained reassuringly low. Most patients experienced improved hearing function in the weeks to months following vaccination. This study underscores the importance and safety of vaccinations and encourages ongoing surveillance and detailed reporting of hearing loss cases post-vaccination.

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Teo, Ryan Xuan Wei, Bernard Pui Lam Leung, Bernard Yu-Hor Thong, Justina Wei Lynn Tan, Grace Yin Lai Chan, and Xin Rong Lim. "Development of immediate and chronic spontaneous urticaria following mRNA COVID-19 vaccination: Tolerability of revaccination and immunological study." Annals of the Academy of Medicine, Singapore 53, no. 1 (January 30, 2024): 57–59. http://dx.doi.org/10.47102/annals-acadmedsg.2023249.

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Coronavirus 2019 (COVID-19) vaccination remains one of the key public health measures against the SARS-CoV-2 infection, significantly reducing illness severity and mortality rates. Urticaria and/or angioedema are cutaneous reactions that have been reported in response to messenger RNA (mRNA) COVID-19 vaccination and potentially affect fitness for revaccination.1 The development of chronic spontaneous urticaria (CSU) post-COVID-19 vaccination2 may further discourage patients from revaccination or preclude revaccination to keep vaccinations updated. We describe a Singapore case series of 64 patients with urticaria post-COVID-19 vaccination, studying patient tolerance to revaccination, immunological profile and development of CSU.

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Gavin, Regina M., Melanie Countryman, Joseph Musco, Rachel Ricard, Amalia Roberts, and Christine Lees. "Reaching Diverse Communities During a Local Public Health COVID-19 Vaccination Response Through a Mobile Clinic Compared to Mass Vaccination Sites." Journal of Public Health Management & Practice 30, no. 3 (April 10, 2024): 411–15. http://dx.doi.org/10.1097/phh.0000000000001905.

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During the COVID-19 vaccine rollout, local public health agencies were responsible for vaccinating a wide variety of communities. Dakota County Public Health (Dakota County, Minnesota) implemented a program that offered COVID-19 vaccines in a variety of settings, such as county public health buildings, community sites, in-home, mass vaccination clinics, and a mobile clinic unit. The purpose of this analysis is to compare the demographics of vaccinations administered at Dakota County COVID-19 vaccination clinics based on clinic site. More than half (52.5%) of vaccinations administered at mobile clinic sites were administered to Hispanic or Latino clients, while at the mass vaccination clinic site, 5.4% of vaccinations were administered to Hispanic or Latino clients. In addition, 59.6% of in-home vaccinations were administered to adults 65 years and older. Offering COVID-19 vaccination clinics in a variety of clinic settings strategically throughout the community helped increase vaccine reach to diverse communities.

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Wu, Yufei, Huanjie Li, Yangyang Wang, Ping Huang, Yihui Xu, Mingjie Xu, Qianqian Zhao, et al. "Opinion Polls and Antibody Response Dynamics of Vaccination with COVID-19 Booster Vaccines." Vaccines 10, no. 5 (April 20, 2022): 647. http://dx.doi.org/10.3390/vaccines10050647.

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As the third year of the global COVID-19 pandemic, vaccination remains the most effective tool against infections and symptomatic illness. Comprehension regarding immunity to SARS-CoV-2 is limited, and the durability of immune responses after vaccination is currently not clear. In this study, we randomly collected 395 questionnaires to analyze the current state of COVID-19 vaccination. At the same time, the serum of 16 individuals who had received two doses of the COVID-19 vaccine were collected at different times before and after the booster vaccination. We analyzed the dynamic changes of SARS-CoV-2 S-specific binding antibodies in serum and immunological indicators. By collecting public opinion surveys and analyzing variational trends of SARS-CoV-2 S-specific binding antibodies and immune indicators after COVID-19 booster vaccination, we endeavored to demonstrate the concerns affecting people’s booster vaccinations, as well as the frequency, timing, and necessity of COVID-19 booster vaccinations. The analysis of antibody results in 16 vaccinated volunteers showed that the antibody concentration decreased six months after the second dose and the protective effect of the virus was reduced. The third dose of COVID-19 vaccination is necessary to maintain the antibody concentration and the protective effect of the virus. The vaccination with the vaccine booster depends not only on the time interval but also on the initial concentration of the SARS-CoV-2 S-specific binding antibody before the booster. Our study has important implications for raising public awareness of vaccinating against SARS-CoV-2 and the necessity of COVID-19 booster vaccinations.

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Omae, Yuto, Yohei Kakimoto, Makoto Sasaki, Jun Toyotani, Kazuyuki Hara, Yasuhiro Gon, and Hirotaka Takahashi. "SIRVVD model-based verification of the effect of first and second doses of COVID-19/SARS-CoV-2 vaccination in Japan." Mathematical Biosciences and Engineering 19, no. 1 (2021): 1026–40. http://dx.doi.org/10.3934/mbe.2022047.

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<abstract><p>As of August 2021, COVID-19 is still spreading in Japan. Vaccination, one of the key measures to bring COVID-19 under control, began in February 2021. Previous studies have reported that COVID-19 vaccination reduces the number of infections and mortality rates. However, simulations of spreading infection have suggested that vaccination in Japan is insufficient. Therefore, we developed a susceptible–infected–recovered–vaccination1–vaccination2–death model to verify the effect of the first and second vaccination doses on reducing the number of infected individuals in Japan; this includes an infection simulation. The results confirm that appropriate vaccination measures will sufficiently reduce the number of infected individuals and reduce the mortality rate.</p></abstract>

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Iman Murahman, Hizir Sofyan, Marthoenis, Said Usman, Irwan Saputra1, Aryandi Darwis, Riski Muhammad, Mohd. Ichsan, and Nurliana. "Determinants of COVID-19 Vaccine Coverage Aceh in 2021." STRADA Jurnal Ilmiah Kesehatan 11, no. 2 (November 30, 2022): 109–16. http://dx.doi.org/10.30994/sjik.v11i2.900.

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Indonesia has set strategies to overcome this pandemic problem, one of which is preventing the spread of COVID-19 which is very easily transmitted to individuals by vaccinations are carried out in every workplace, or government, one of which is hospitals and health centers in Aceh which are the referral places for patients treatment and vaccinations. This study aims to the determinants of COVID-19 vaccination coverage Aceh in 2021. The sample in this study is the achievement vaccination in 23 districts of Aceh. The results showed the average proportion vaccine coverage in Aceh was 69.30% with a minimum percentage of 46% and the highest percentage of 102%. Then the analysis showed that the vaccinator HR a value of p = 0.0001 that was a significant between the vaccinator HR and the vaccine coverage. HR planning should be prepared thoroughly so that it will minimize the possibility of mistakes in the future.

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Kusumo, Bambang Ali, Muhamad Mahrus Setia Wijaksana, Fatma Ulfatun Najicha, Ariesty Fujiastuti, and Abdul Kadir Jaelani. "COVID-19 vaccination service." International journal of health sciences 6, no. 1 (January 24, 2022): 50–60. http://dx.doi.org/10.53730/ijhs.v6n1.2954.

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The purpose of this paper is to discuss potential legal complications as well as the protection of health care employees involved in COVID-19 immunization services at HSFs. COVID-19 instances are increasing at an alarming rate, and strict health norms are falling behind. COVID-19 vaccinations are critical to halting the virus's transmission in the community, reducing disease-related suffering and mortality, boosting herd immunity, and protecting the community from COVID-19 while social and economic activities are restored. COVID-19 vaccination, on the other hand, continues to confront obstacles as a result of public rejection. This scientific publication is based on a normative legal approach. The public's refusal of the COVID-19 vaccine results in a plethora of complications, including public misconceptions and suspicions of vaccination conspiracies by healthcare professionals. According to a review of the literature, health workers who provide COVID-19 vaccination services in Indonesia are legally protected if they follow established procedures. Medical Practice Law No. 29 of 2004, Presidential Regulation No. 14 of 2021, Health Minister of Republic Indonesia Regulations No. 269 and 290, and Decree of the Minister of Public Health HK.01.07/Menkes/413/2020 concerning Coronavirus Disease Prevention and Control 2019 all provide legal protection for health workers.

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Darmayanti, Putu Ayu Ratna, Ni Komang Sri Ariani, and Wulan Tertiana Santhi. "Pencegahan Pengendalian Infeksi Covid-19 dengan Menjadi Vaksinator Covid-19 Pada Masyarakat di Wilayah Kerja Puskesmas II Denpasar Selatan." Jurnal Pelayanan dan Pengabdian Masyarakat (Pamas) 7, no. 3 (August 31, 2023): 217–27. http://dx.doi.org/10.52643/pamas.v7i3.2316.

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The government has targeted for the entire community to get vaccination to lower the COVID-19 pain and death figures. Indonesia's COVID-19 vaccination for the general public is given as much as 2 times with a diverse vaccine type with a 0.5 ml dose of administration. However, the reality of the vaccinator power field is experiencing fatigue from the lack of HR. The aim of this activity was to assist vaccinator power, increase vaccination coverage and succeed government programs to suppress the death rate due to COVID-19. Devotion to the community with COVID-19 vaccinator activities in the working area of Puskesmas II Denpasar Selatan was conducted for 1 week on September 13–17, 2021. The initial stage was made an approach on the head of Puskesmas II Denpasar Selatan and the chairman of the COVID-19 vaccinator team and conducted the briefing before starting vaccination. Then, continued with vaccination activities on table 1 and 2, providing satisfaction level questionnaires on the community who had been obtaining vaccination in the observation room for 30 minutes. The servicer activity was conducted on 750 people of the community in the South Denpasar II Puskesmas working area for 1 week. The result earned was that of most of the communities that followed the activities of the 31-59-year-old COVID-19 vaccination of 46.4%. Most are female-sex 51.9% and most are high school-educated at 42.3%. The level of community satisfaction at the service of the COVID-19 vaccinator in the South Denpasar II Public Health Center that is almost the entire community is satisfied by 78.51%. COVID-19 Vaccinator activity was significantly influential to the increased scope of vaccination participants daily targets. It is expected that the COVID-19 vaccinator officer can continue to cooperate with the health college in the hosting of vaccination by keeping compliance with health protocols. Keyword: COVID-19 Vaccination, Vaccinator, Prevention, Control

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Більше джерел

Дисертації з теми "Covid-19 – Vaccination"

Muzek, Dina. "News dissemination on leading media organisations in Croatia: Covid-19 vaccination affair." Thesis, Malmö universitet, Institutionen för konst, kultur och kommunikation (K3), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-45692.

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During the Covid-19 vaccination in Croatia, there were inconsistencies and irregularities with the surplus vaccine and its recipients. Media coverage of the affair was extensive. The details were broadcasted in traditional media and social media. Like many other spheres of social life, the media system has progressed under the baton of technological and communication changes. The destabilisation of traditionally conducted communication required the adaptation and reshaping of all its actors. This study argues that we live in a hybrid media system, where traditional media and social media are in symbiosis (Chadwick, 2013) and are interconnected. The study aims to investigate what makes online content viral and discuss findings in a hybrid media context. The study conducts a content analysis, examining articles posted on media organisation web pages and their Facebook pages covering the vaccination affair. The variables in the analysis are based on the virality concept (taken from the field of marketing).

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Lindholm, Anton. "VACCINE CITIZENSHIP : Covid-19 vaccination in a semi-rural community of Oaxaca, Mexico." Thesis, Stockholms universitet, Socialantropologiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-195134.

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With emphasis on the arrival of Covid-19 vaccine in San Agustin Etla Mexico, the focus of this thesis is to investigate relations between ways of political organisation and vaccine uptake. By having used a methodological framework of participant observation and semi-structured interviews from February to April 2021 this thesis illustrates responses that informants in the ages between 50-70 living in San Agustin Etla have to Covid-19 vaccine. I discuss aspects of a local vaccination culture, i.e., locally shaped responses to Covid-19 vaccine and reasons for vaccination and non-vaccination. Aspects I have found that may have affected a person’s response to Covid-19 vaccine are the spread/control of rumours, coercive measures, collective consciousness of risks, organisation of the household, social interaction, and earlier experience of vaccines. Based on the results of the investigation I argue that there is a correlation between the governance of “Usos y Costumbres” (practices and customs) in San Agustin Etla and vaccine uptake among people living there.

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Ізотова, К. В. "Мас-медіа в системі боротьби з covid-19: проблемно-тематичні орієнтири та особливості висвітлення". Master's thesis, Сумський державний університет, 2021. https://essuir.sumdu.edu.ua/handle/123456789/86932.

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Магістерське дослідження присвячене цілісному аналізу проблемно-тематичних орієнтирів та особливостей висвітлення боротьби з COVID-19 в мас-медіа. У першому розділі розглянуто теоретико-методологічні основи дослідження, а саме проблему COVID-19 та історіографію її вивчення, а також методико-методологічні основи дослідження. У другому розділі розглянуто безпосередньо особливості висвітлення боротьби з COVID-19 в українських мас-медіа, а саме проблемно-тематичні орієнтири висвітлення боротьби з COVID-19 у перші три місяці та в останні три місяці пандемії, а також досліджено висвітлення питань, пов’язаних із COVID-19 як журналістську проблему. У ході дослідження простежено основні зміни у висвітленні питань, пов’язаних із COVID-19 у ЗМІ та виявлено, що головна зміна у висвітленні теми коронавірусу протягом останніх трьох місяців, порівняно із першими трьома місяцями полягає у тому, що додалася нова тема – вакцинація, яка супроводжує практично всю іншу інформацію, пов’язану з пандемією.

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Faucher, Benjamin. "Modélisation de la pandémie de COVID-19 pour reconstruire la dissémination du virus et informer la mise en place d’interventions." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS269.

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L'émergence de nouveaux pathogènes pose des défis importants aux autorités de santé publique. Dans le contexte de la pandémie de COVID-19, le SARS-COV-2 et les Variants of concern ont suivi un schéma similaire. : un nouveau virus apparait dans un pays, se propage à l'échelle mondiale et déclenche une augmentation rapide du nombre de cas dans le monde entier. Pour faire face à cette situation, il est essentiel de surveiller l'épidémie, de déchiffrer les données de surveillance incomplètes et incohérentes et de concevoir rapidement des interventions. Les modèles mathématiques peuvent aider à interpréter des données de surveillance hétérogènes et éclairer la conception des interventions. Dans cette thèse, nous avons abordé ces deux aspects. Tout d'abord, nous avons développé un cadre mathématique pour comprendre comment la surveillance et les facteurs impliqués dans de l'épidémie concourent à façonner les observations. Nous avons reconstruit rétrospectivement la propagation internationale de la variane Alpha à l'automne 2020 à partir de données de séquençage et de voyages aériens. Dans un second travail, nous nous sommes concentrés sur l'intervention. Nous avons proposé un modèle basé sur des agents pour quantifier l'impact épidémiologique d'une stratégie de vaccination réactive ciblant les lieux de travail et les écoles où des cas sont détectés. Nous avons testé l'efficacité de cette stratégie pour atténuer une augmentation générale du nombre de cas et pour limiter la propagation d'un nouveau variant
Emerging pathogens pose significant challenges to public health authorities. In the context of the COVID-19 pandemic, the SARS-COV-2 and the variants of concern followed a similar pattern. A new virus emerged in one country, spread globally, and then triggered a rapid surge in cases worldwide. To deal with this situation, it is critical to monitor the epidemic, decipher incomplete and incoherent data, and rapidly design interventions. Mathematical models can help interpret heterogeneous surveillance data and inform the design of interventions. In this thesis, we addressed both aspects. First, we developed a mathematical framework to understand how surveillance and epidemic drivers concur in shaping observations. We retrospectively reconstructed the international spread of the Alpha variant in the Fall of 2020 from sequencing and air travel data. In a second work, we focused on intervention. We proposed an agent-based model to quantify the epidemiological impact of a reactive vaccination strategy targeting workplaces and schools where cases are detected. We tested the effectiveness of this strategy to mitigate a general rise in cases and to limit the spread of a new variant

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Mezones-Holguin, Edward, Ali Al-kassab-Córdova, Jorge L. Maguiña, and Alfonso J. Rodriguez-Morales. "Vaccination coverage and preventable diseases in Peru: Reflections on the first diphtheria case in two decades during the midst of COVID-19 pandemic." Elsevier Inc, 2021. http://hdl.handle.net/10757/655819.

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Marot, Stéphane. "Étude de la réponse humorale lors de l'infection par le SARS-CoV-2." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS722.

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Анотація:

Au début de la pandémie de COVID-19, nous ne disposions que de peu de données portant sur la réponse humorale spécifique anti-SARS-CoV-2 et elles étaient principalement issues des connaissances des coronavirus humains proches. L’objectif de ce travail était de décrire la cinétique de la réponse humorale et son activité neutralisante à la suite d’une infection par le SARS-CoV-2 ou au décours d’une vaccination contre le COVID-19. Dans notre première étude, nous avons pu décrire, chez des professionnels de santé ayant présenté un COVID-19 modéré, la cinétique d’apparition de différents isotypes d’anticorps dirigés contre différents antigènes viraux. Nous avons montré une disparition précoce de l’activité neutralisante sérique après l’infection, principalement liée à la disparition des IgA sériques et malgré une augmentation de la capacité de neutralisation des IgG au cours du temps. Dans notre seconde étude, nous avons décrit un échappement des variants du SARS-CoV-2 à cette réponse neutralisante, avec des profils d’échappement variables en fonction du variant et du type d’anticorps générés (post-infectieux ou post-vaccinaux). Dans notre dernière étude, nous avons évalué des tests de substitutions pour la détermination des anticorps neutralisants (NAbs) en fonction de différents variants du SARS-CoV-2 et de différents profils d’histoire immunologique. Nous avons montré une bonne performance de ces tests en adaptant les seuils en fonction du variant du SARS-CoV-2 considéré, un échappement important du variant Omicron aux NAbs et que le titre de NAbs était le plus élevé chez les personnes avec un antécédent de COVID-19 ayant reçu une dose de vaccin. Plusieurs études ont confirmé que les NAbs étaient fortement prédictifs de la protection immunitaire contre l'infection par le SARS-CoV-2. Toutefois, le déclin rapide de ces anticorps dans l’histoire naturelle de l’infection ou de la vaccination contre le SARS-CoV-2, associé à la circulation de variants échappant à la réponse neutralisante ainsi qu’à la variabilité individuelle de la réponse immunitaire et les différents profils d’histoire immunologique que l’on peut présenter, démontrent l’importance de l’étude des NAbs afin de pouvoir réévaluer en permanence les corrélats de protection en contexte d’évolution de la situation épidémiologique
At the beginning of the COVID-19 pandemic, we had limited data on the specific humoral response against SARS-CoV-2, only derived from knowledge of closely related human coronaviruses. The aim of this work was to describe the kinetics of the humoral response and its neutralizing activity following SARS-CoV-2 infection or COVID-19 vaccination. In our first study, we described the kinetics of different isotypes of antibodies directed against different viral antigens in healthcare workers who had experienced mild COVID-19. We observed an early decline in serum neutralizing antibodies (NAbs) after infection, primarily associated with the decrease in serum IgA levels, despite an increase in the neutralization capacity of IgG over time. In our second study, we described the escape of SARS-CoV-2 variants from NAbs, with escape profiles depending on the variant and the type of antibodies elicited (post-infection or post-vaccination). In our latest study, we evaluated surrogate tests for the assessment of NAbs, against different variants of SARS-CoV-2 and various immunological history patterns. We showed a good test performance by adjusting the thresholds based on the specific SARS-CoV-2 variant considered. We also found a significant escape of the Omicron variant from NAbs and showed that NAb titers were highest in individuals with a history of COVID-19 who had received a vaccine dose. Several studies have confirmed that NAbs are good correlates of immune protection against SARS-CoV-2 infection. However, the rapid decline of these antibodies in the natural course of infection or vaccination, coupled with the circulation of variants, as well as individual variability in the immune response, highlight the importance of studying NAbs to continuously reassess correlates of protection in the context of evolving epidemiological situations

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Hussein, Aida. "Inställning till vaccination mot covid- 19 i Rinkeby och Tensta, Sverige : Om vaccinationsvilja och tveksamhet i ett socioekonomiskt utsatt område i Sverige." Thesis, Högskolan i Skövde, Institutionen för hälsovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-20031.

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Inledning: Vaccinationstveksamhet är ett fenomen som är viktigt att studera eftersom bekämpningen mot covid-19 och andra sjukdomar är beroende av att befolkningen vaccinerar sig. Området Rinkeby-Tensta har tidigare haft låg vaccinationstäckning på grund av oro över biverkningar. Syftet är att ta reda på inställningen för vaccination mot covid-19 i Rinkeby-Tensta. Metod: En tvärsnittsstudie utfördes med bekvämlighetsurval. Resultat: Resultatet visar att 72 respondenter besvarade enkäten varav 78 procent av respondenterna svarade att de antingen inte vill eller inte vet om de vill vaccinera sig. Diskussion: Utbildningsnivå är inte associerat med vaccinationsviljan. Att senarelägga vaccinacceptansen uppfattas som en fördel. Bekymmer över vaccinets biverkningar är en faktor i vaccinationsbeslutet.
Introduction: Vaccine hesitancy is a phenomenon that is important to study when the fight against covid-19 and other diseases is dependent on the population being vaccinated. Rinkeby-Tensta previously had low vaccination coverage due to concerns about side effects. The aim is to measure the attitude toward vaccination against covid -19 in Rinkeby-Tensta Method: A cross-sectional study was performed with convenience sample. Results: Results show that 72 respondents answered the survey, of which 78 percent of the respondents answered that they either do not want or do not know if they want to get vaccinated. Discussion: Level of education is not associated with willingness to get vaccinated. To postpone vaccinations is perceived as a benefit. Concerns about the side effects of vaccine is a factor in the vaccination decision.

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Ganser, Iris. "Utilisation des modèles mathématiques face à la COVID-19 : analyse des effets des interventions en santé publique et de la dynamique immunitaire." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0351.

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Анотація:

La pandémie de COVID-19, causée par le SRAS-CoV-2, a entrainé une morbidité et une mortalité importantes, mettant à rude épreuve les systèmes de santé mondiaux. Les vaccinations et les interventions non pharmaceutiques (INP) sont essentielles pour contrôler la propagation du virus. Avant les vaccins, les gouvernements s’appuyaient sur des INP dont l’impact épidémiologique et sociétal restait incertain, notamment sur plusieurs vagues pandémiques. Le déploiement des vaccins a augmenté l’immunité collective, mais l’émergence de variants préoccupants (VoCs) échappant à l’immunité et l’affaiblissement de l’immunité induite ont réduit l’immunité effective. La dynamique à long terme de ce déclin est mal comprise, surtout dans le contexte d’infections multiples et par divers VoCs. Les épidémies étant partiellement observées et leur dynamique non linéaire, les modèles mathématiques sont bien adaptés pour leur analyse. Dans ma thèse, j’ai appliqué ces modèles à diverses données COVID-19, depuis les données agrégées sur les infections et les hospitalisations jusqu’aux titres d’anticorps (Ac) chez les individus, pour quantifier l’efficacité des INP et vaccins, identifier les seuils de protection des Ac et caractériser la décroissance de l’immunité. Mon premier objectif était d’estimer l’efficacité des INP et des vaccins en France et d’explorer des scénarios contrefactuels des INP et des vaccins. Nous avons développé un modèle mécaniste ajusté aux données épidémiologiques françaises de mars 2020 à octobre 2021. Le modèle a montré une réduction significative de la transmission virale grâce aux INP, bien que leur efficacité ait diminué avec le temps. Les simulations ont montré que les vaccins avaient sauvé près de 160000 vies au cours de la période étudiée, mais qu’une mise en œuvre plus précoce ou un déploiement plus rapide aurait évité encore plus de décès. Pour comprendre la variabilité des estimations de l’efficacité des INP, nous avons évalué deux méthodologies pour mon deuxième objectif : les modèles mécanistes et une régression en deux étapes couramment utilisée, qui d’abord estime le nombre de reproduction ( Rt), puis le régresse sur les paramètres des INP. En utilisant des données simulées, les modèles mécanistes ont montré un biais minimal (0-5%) et une couverture d’intervalle de confiance (IC) élevée, tandis que les régressions en deux étapes ont montré des biais jusqu’à 20% et une couverture d’IC inferieure. Ce biais était dû à la déplétion des susceptibles et aux difficultés d’estimation de Rt, montrant que cette méthode nécessite prudence malgré sa rapidité. Les modèles épidémiologiques précis nécessitent des paramètres actualisés. Mon troisième objectif était donc 1) relier les niveaux d’Ac SARS-CoV-2 au risque de (ré)infection et 2) caractériser la décroissance des Ac. Grâce aux données d’Ac de plus de 220000 donneurs de sang canadiens entre avril 2020 et décembre 2023, nous avons constaté que les Ac anti-S et anti-N réduisaient le risque d’infection, avec un effet plus prononcé des anti-N à de faibles titres. J’ai estimé avec des modèles de décroissance biphasique que 51.3% (95% IC 40.6-66.1%) des individus tomberaient en dessous des niveaux détectables d’Ac anti-N dans les trois ans suivant une infection. La durée de détection des Ac augmentait après chaque infection. Cependant, les Ac chutaient en quelques mois en dessous des seuils requis pour une protection substantielle, même après plusieurs infections et vaccinations, indiquant la nécessité d’administrer des rappels réguliers pour maintenir la protection. Les analyses dans ma thèse soulignent l’importance des interventions rapides et du suivi continu de l’immunité pour mieux se préparer aux futures épidémies. De plus, j’ai démontré que les modèles mathématiques sont un outil puissant pour orienter la prise de décision en santé publique et les stratégies de prévention
The COVID-19 pandemic, caused by the SARS-CoV-2 virus, has led to significant morbidity and mortality, straining healthcare systems worldwide. Fundamental approaches for controlling viral spread and mitigating its impact are vaccinations and non-pharmaceutical interventions (NPIs). Before vaccines became available, governments relied on NPIs with largely unknown epidemiological and societal impacts. Despite numerous studies, the effectiveness of NPIs on COVID-19 dynamics remained uncertain, especially over multiple pandemic waves. With a gradual roll-out of vaccines, population immunity increased, but this increase in was counteracted by the emergence of immune-escaping variants of concern (VoCs) and waning of both infection- and vaccine-induced immunity. The long-term dynamics of this decline are currently not well characterized, particularly in the context of multiple infections and infections with different VoCs. Given the only partially observed nature of epidemics and their non-linear dynamics, mathematical models are uniquely suited for their analysis. In my thesis, I applied mathematical models to various COVID-19 data, from aggregated population-level data of infections and hospitalizations to antibody (Ab) titers in individuals, with the goal of quantifying the effectiveness of NPIs and vaccines, identifying protective Ab thresholds, and characterizing immunity waning dynamics. Specifically, my first objective was to estimate the effectiveness of NPIs and vaccines in France and explore counterfactual NPI and vaccine implementation scenarios. We developed a population-based mechanistic model, which we fit to epidemiological data in France from March 2020 to October 2021. The model showed a significant reduction in viral transmission by lockdowns, school closures, and curfews, though their effectiveness decreased over time. Simulations demonstrated that vaccines had saved nearly 160k lives over the study period, but an earlier implementation or a faster rollout could have prevented even more deaths. To understand why NPI effectiveness estimates vary across studies, we evaluated two methodologies in my second objective: mechanistic models and a commonly used two-step regression approach. The latter first estimates the reproductive number (Rt) and then regresses it against NPI parameters. Using simulated data of varying complexity, mechanistic models consistently showed minimal bias (0-5%) and high confidence interval (CI) coverage, whereas the two-step regressions had biases up to 20% and much lower CI coverage. The bias stemmed from the depletion of susceptibles and challenges in estimating Rt, indicating that caution is warranted with this method despite its simplicity and speed. Accurate epidemiological models require up-to-date parameters. My third objective was therefore two-fold: 1) to relate SARS-CoV-2 specific Ab levels to the risk of infection and 2) to characterize antibody waning. Using Ab data from over 220k Canadian blood donors between April 2020 and December 2023, we found that both anti-S and anti-N Abs reduced infection risk, with anti-N showing a stronger effect at lower titers. We used biphasic decay models to characterize waning dynamics and estimated that that 51.3% (95% CI 40.6-66.1%) of individuals would drop below detectable anti-N Ab levels within three years after a single infection. The duration of Ab detection increased after subsequent infections. However, antibodies waned within months below thresholds needed to attain substantial protection, even after multiple infections and vaccinations, indicating that continuous vaccine booster doses might be needed to sustain protection. The analyses I conducted in my PhD research highlight the importance of timely interventions and continuous monitoring of immunity to better prepare for future outbreaks. Moreover, I illustrated that mathematical models are a powerful tool to inform public health decision making and strategies

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Aldén, Emma, and Caroline Bjurhamn. "Massvaccineringens effekter på rekommenderade beteenden : En fältstudie som undersöker benägenheten att följa Folkhälsomyndighetens rekommendationer före respektive efter vaccinering mot covid-19." Thesis, Linköpings universitet, Nationalekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176317.

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This study investigates if attitudes towards the pandemic recommendations made by the Public Health Agency of Sweden and if the estimation of their duration differ before and after a Covid-19 vaccination. The participants contributed to the study by filling out a questionnaire. A mass vaccination is a rare occurrence and few empirical studies have been conducted. A risk regarding a mass vaccination is that it can result in a premature relaxed mindset towards the recommendations, which can lead to an increased spread of the virus. To investigate this, we compared the responses from the participants who filled out the questionnaire before and after the Covid-19 vaccination. The results showed no differences in the attitudes towards the recommendations in the two groups, however tendencies of differences regarding the estimation of duration of the pandemic recommendations was discovered. Thus, we could not detect any large effects of a more relaxed mindset towards the recommendations, however we cannot exclude smaller effects. The results do not support that stricter recommendations should be introduced in order to counteract a more relaxed attitude.
Studien ämnar undersöka om inställningen till Folkhälsomyndighetens rekommendationer och uppskattningen av pandemirekommendationernas varaktighet skiljer sig åt före respektive efter vaccination mot covid-19. Deltagarna medverkade i studien genom att svara på ett frågeformulär.En massvaccinering är en sällsynt förekomst och få empiriska studier har genomförts. En risk vidgenomförandet av en massvaccinering är att den kan resultera i en för tidigt avslappnad inställning till rekommendationerna, vilket kan leda till en ökad smittspridning i samhället. Resultatet visade inte på några skillnader i inställningen till rekommendationerna mellan de två grupperna, dock fanns det tendenser till skillnader angående uppskattningen av pandemirekommendationernasvaraktighet. Således, utifrån studiens resultat, påvisades inte någon stor effekt av en avslappnad inställning efter en massvaccinering men det går inte att utesluta mindre effekter. Studiens resultatstyrker inte att strängare rekommendationer bör införas i en vaccinationsfas för att motverka en avslappnad inställning.

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Johansson, Tobias, and Tobias Jonsson. "Risk, tillit och vaccinering -En kvalitativ studie om unga vuxnas resonemang kring vaccinationen av Covid-19 i en svensk kontext." Thesis, Örebro universitet, Institutionen för humaniora, utbildnings- och samhällsvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92441.

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The first case of Covid-19 in Sweden was confirmed at the end of January 2020. At the time of conducting this study the society has begun vaccination against the virus. Although a majority of the population seem positive towards vaccination, the question remains which factors are influencing this attitude. The aim of this study is to create an understanding of how young adults in Sweden reason about Covid-19 and the vaccination thereof. The aim of this study is answered with the following question statements, how do young adults in Sweden reason about the risk of Covid-19 and the vaccination thereof and how do young adults in Sweden reason about the vaccination formed by their natural attitude and trust towards expert systems. Previous research shows that risk and trust towards expert systems are influential factors on individuals' inclination towards vaccines, regarding child vaccines or previous influenza vaccines. Antecedent quantitative studies show differences in vaccination attitudes between age categories and that young adults were most likely to have a negative attitude towards vaccines. This qualitative interview study, focusing on individuals in the age category of young adults, shows how risk and trust towards expert systems can influence their reasoning regarding Covid-19 and the vaccine against the virus, furthermore it shows how their natural attitudes can be affected by the pandemic. The result of this study shows that the studied young adults tend to see more risks with Covid-19 towards other people than themselves, which can be a contributing factor to the attitude towards vaccination of that age category. This study also shows that a high trust in expert systems can enable a positive reasoning regarding the vaccine and that the subjects of this study’s natural attitudes are changed by the pandemic.
Det första fallet av Covid-19 bekräftades i Sverige i slutet på januari 2020. Vid studiens genomförande har samhället påbörjat vaccineringen mot viruset. Även om majoriteten av befolkningen verkar positivt inställda till vaccinet återstår frågan om vilka faktorer som påverkar detta. Syftet med denna studie är att skapa en förståelse för hur unga vuxna i Sverige resonerar kring Covid-19 viruset och vaccinationen mot det. Syftet besvaras med följande frågeställningar, hur resonerar unga vuxna i Sverige kring risker med Covid-19 viruset och vaccinationen mot det och hur formas unga vuxna i Sveriges resonemang kring vaccinering av den naturliga inställningen och deras förhållningssätt till expertsystem. Tidigare forskning visar att risk och tillit till expertsystem kan vara påverkande faktorer på individers vaccinationsbenägenhet, åtminstone när det gäller barnvaccin eller tidigare influensavaccinationer. Tidigare kvantitativ forskning har även visat på skillnader i vaccinationsbenägenhet mellan åldersgrupper, där unga vuxna var mest troliga att vara negativt inställda. Denna kvalitativa intervjustudie med individer i åldersgruppen unga vuxna visar hur risk och tillit till expertsystem kan influera deras resonemang kring Covid-19 viruset och vaccineringen mot det samt hur deras naturliga inställning kan påverkas av pandemin. Resultatet av studien visar att respondenterna tenderar att se allvarligare på risker med Covid-19 gentemot andra än sig själva, något som kan vara en bidragande faktor till den åldersgruppens inställning till vaccinering. Studien visar även att en hög tillit till expertsystem möjliggör ett positivt resonemang kring vaccineringen och att den naturliga inställningen i pandemins samhälle är förändrad hos respondenterna.

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Книги з теми "Covid-19 – Vaccination"

Rossouw, Stephanie, and Talita Greyling. Resistance to COVID-19 Vaccination. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-56529-8.

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Muyambo, Tenson, Fortune Sibanda, and Ezra Chitando. Religion and COVID-19 Vaccination in Zimbabwe. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003388630.

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Akhtar, Rais, ed. Coronavirus (COVID-19) Outbreaks, Vaccination, Politics and Society. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09432-3.

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López, Juana Yucra. Percepciones y expectativas sobre las vacunas contra el COVID-19 de los pobladores de Poopó. Poopó-Oruro, Bolivia: Universidad Nacional Siglo XX, Carrera de Enfermería, Extensión Poopó, 2021.

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interviewee, Inoue Masayasu interviewer, ed. Korona to wakuchin no zenbō. Tōkyō: Kabushiki Kaisha Shōgakkan, 2021.

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Understanding COVID-19 Vaccination Arguments. Lulu Press, Inc., 2021.

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See, Kay Choong, ed. Impact of COVID-19 and Non-COVID-19 Vaccination in Special Populations. MDPI, 2024. https://doi.org/10.3390/books978-3-7258-2645-2.

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Putting Equity First in COVID-19 Vaccination. RAND Corporation, 2022. http://dx.doi.org/10.7249/rba1627-2.

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Religion and COVID-19 Vaccination in Zimbabwe. Routledge, 2023.

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Religion and COVID-19 Vaccination in Zimbabwe. Routledge, 2023.

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Частини книг з теми "Covid-19 – Vaccination"

Ghosh, Sadhan Kumar, Anjan Adhikari, Anirudhha Mukhopadhyay, Samprikta Bose, and Komal Sharma. "COVID-19 Vaccination in India." In Health Care Waste Management and COVID 19 Pandemic, 255–78. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9336-6_12.

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Dujmović, Jozo, and Daniel Tomasevich. "COVID-19 Vaccination Priority Evaluation." In Explainable AI and Other Applications of Fuzzy Techniques, 101–15. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-82099-2_10.

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Oster, Yonatan. "COVID-19 Pandemic and Vaccination." In Hot Topics in Human Reproduction, 17–23. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-24903-7_2.

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Nyatsanza, Tarsisio M. "COVID-19 Vaccination in Zimbabwe." In Religion and COVID-19 Vaccination in Zimbabwe, 126–39. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003388630-9.

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Sande, Nomatter, and Silas Nyadzo. "‘Disconcerting Vaccination Voices'." In Religion and COVID-19 Vaccination in Zimbabwe, 155–67. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003388630-11.

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Neto, Felippe Lazar, Adrian Ceccato, and Otavio T. Ranzani. "Vaccination against COVID-19 in a post-pandemic era." In COVID-19: An Update, 79–103. Sheffield, United Kingdom: European Respiratory Society, 2024. http://dx.doi.org/10.1183/2312508x.10020223.

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Jaspal, Rusi, and Glynis M. Breakwell. "The Significance of Ethnicity in Vaccination Uptake." In COVID-19: Surviving a Pandemic, 134–54. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003302698-11.

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Agamutu, Kavitha, and P. Agamuthu. "Vaccination for the COVID-19 Pandemic." In Health Care Waste Management and COVID 19 Pandemic, 279–89. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9336-6_13.

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Chireshe, Excellent, and Mavis Thokozile Macheka. "Vaccination Uptake and Power Dynamics." In Religion and COVID-19 Vaccination in Zimbabwe, 168–87. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003388630-12.

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Alexandre Huang, Zhao, and Rudong Zhang. "Understanding China's “intermestic” online vaccination-themed narrative strategy." In COVID-19, Communication and Culture, 52–75. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003276517-6.

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Тези доповідей конференцій з теми "Covid-19 – Vaccination"

Upadhyay, Siddhartha, Soudeep Chowdhury, Krishanu Nath, and Manas Kumar Bera. "SVAIR: An Approach to Model COVID-19 with Vaccination." In 2024 10th International Conference on Control, Decision and Information Technologies (CoDIT), 1177–82. IEEE, 2024. http://dx.doi.org/10.1109/codit62066.2024.10708109.

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"Was there a difference in the COVID-19 symptoms among Ghor Elsafi population either before or after receiving the COVID-19 vaccines?" In International Conference on Public Health and Humanitarian Action. International Federation of Medical Students' Associations - Jordan, 2022. http://dx.doi.org/10.56950/pzez3624.

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Introduction: COVID19 vaccination had high positive results on infections worldwide. Even if someone has been infected after the vaccination; it will be less severe symptoms and will have a better prognosis. The aim: To assess the COVID-19 clinical presentation, the vaccination status and the need for hospitalization both before and after vaccination among Ghor ELSafi residents. Materials and methods: A community-based study was conducted in Ghor ElSafi, al-Karak, Jordan. A questionnaire was conducted on the google form. A total of 101 participants were classified into: first group (n = 58) (Participants infected before COVID-19 vaccination) and second group (n = 43) (participants infected at least 2 weeks after COVID-19 vaccination). Demographic data, History of SARS-CO2 infection and vaccination, Different COVID-19 symptoms, hospitalization, ICU admission and oxygen therapy need were assessed for all participants. Results: All participants were COVID-19 vaccinated. The mean age was 38 (±12.3) years with 51.9% was males. About 32.6% had comorbidities. There was no significant differences between both groups regarding the prevalence of either general, gastrointestinal, respiratory, cardiovascular or gynecological symptoms (Figure 1). There were variations in some COVID-19 symptoms; Group (1) participants had a higher rate of anosmia/ageusia, a lower rate of sneezing and dry cough than Group (2). About 12.9% of participants required hospitalization, 7 participants required O2 therapy, and 2 were admitted to the ICU. The mean hospital stay was 7.38 (±6.16) days without statistical significant difference between both groups. Conclusions: most of the COVID symptoms were statistically non-significant between pre-vaccinated and post-vaccination groups, except few symptoms. Participants who got infected before vaccination had a higher rate of anosmia/ageusia, a lower rate of sneezing and dry cough. Keywords: COVID19, Vaccinations, clinical symptoms

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Saraswat, Avani, and Tejal Varekar. "Analyzing the Effectiveness of Vaccination as a Preventive Measure in Combating COVID-19 and Recommendations for Future Health Emergencies in India." In 4th International Conference on Public Health and Well-being. iConferences (Pvt) Ltd, 2023. http://dx.doi.org/10.32789/publichealth.2022.1003.

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In order to mitigate the impact of the COVID-19 pandemic, India launched the world’s most extensive vaccination drive. Almost 1.9 billion vaccination doses were given until May 13, 2022, since the beginning of the drive, with 1 billion people vaccinated for the first dose and 0.87 billion people for the second dose. The objective of the study is to analyze the impact of vaccination on the control of SARS-CoV-2 infection. The secondary data was obtained by the World Health Organization for COVID-19 cases and the Ministry of Health and Family Welfare for vaccination from January 22, 2022, to May 13, 2022. Exponential regression was performed for total cumulative vaccinations (18 years and older received at least one dose) as an independent variable and the rate of COVID infection (0.1million per week) as a dependent variable. The p-value is 0.001, with a negative slope emphasizing that the correlation is significant for the selected time period. Further, the predictive model with R2 = 0.96 shows the model is best fitted. The mathematical model supports the role of vaccination in decreasing cases of COVID-19. Predicting the rate of occurrence of infection against the backdrop of a vaccination drive can be a valuable tool for assessing vaccine effectiveness and planning for future actions. Keywords: COVID-19, vaccination, health emergencies, preventive measures

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Gomez, D. Vazquez, M. Marques Cami, F. Vilardell Villellas, N. Zaragoza Velasco, I. Miguel Salas, D. C. Bayas Pástor, I. Pascual, L. Verges Aleix, F. González-Huix Lladó, and M. Planella De Rubinat. "COVID-19 vaccination-related intestinal ischaemia." In ESGE Days 2023. Georg Thieme Verlag KG, 2023. http://dx.doi.org/10.1055/s-0043-1765105.

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Hoerner, R., and R. M. Abdallah. "Hyperimmune Response to COVID-19 Vaccination." In American Thoracic Society 2023 International Conference, May 19-24, 2023 - Washington, DC. American Thoracic Society, 2023. http://dx.doi.org/10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a3379.

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Jouyandeh, Farzaneh, Sarvnaz Sadeghi, Bahareh Rahmatikargar, and Pooya Moradian Zadeh. "Fake news and COVID-19 vaccination." In ASONAM '21: International Conference on Advances in Social Networks Analysis and Mining. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3487351.3490960.

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Stošić, Maja, and Marko Veljković. "COVID-19 vaccination among tuberculosis patients in Serbia, 2022." In Proceedings of the International Congress Public Health - Achievements and Challenges, 181. Institute of Public Health of Serbia "Dr Milan Jovanović Batut", 2024. http://dx.doi.org/10.5937/batutphco24133s.

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Background: Since the beginning of the pandemic, COVID-19 affected lot of tuberculosis (TB) cases globally. Co-infection can lead to severe acute illness with possibilities of amplification of mortality and chronic lung sequelae. There is lack of data on COVID-19 vaccination coverage among TB cases globally. Methods and Objectives: A retrospective analysis of COVID-19 vaccination status among TB cases notified in 2022 in Serbia was performed with the aim to compare vaccination coverage with general population in Serbia and to identify factors associated with COVID vaccination among TB patients. We conducted bivariate and multivariable logistic regression statistical analysis. Results: Out of 468 TB patients notified in 2022, data on COVID-19 vaccination status were available for 399. There was no statistically significant difference between the coverage of at least one dose of COVID-19 vaccine among all TB patients, and patients aged 18+ compared to general population in Serbia (p value >0.05). At least one dose of COVID-19 vaccine was received by 51.6% of all TB patients, while by 55.4% TB patients aged 18+ respectively (compared to 52.1% coverage of all Serbian citizens and 55.6% of Serbian citizens aged 18+). The coverage by primary COVID-19 vaccine series is lower among TB patients aged 12-17 and 18-24 compared to the respective ages of the general population (p values <0.001), and likewise in age groups 60-69 and 70-79, compared to general population (p values <0.05), while similar coverage in age groups 25-49 and 50-59 (p values >0.05). However, it was higher among TB patients aged 80+ compared to general population (p value <0.05). We identified two statistically significant predictors of COVID-19 vaccination among TB patients: at least one comorbidity (OR = 2.41; 95% CI = 1.60-3.60) and age 50+ (OR = 3.33; 95% CI = 2.20-5.04). Conclusions: We found lower coverage of primary COVID-19 vaccination series among TB patients compared to general population in Serbia. Efforts should be made to increase COVID-19 vaccination coverage among TB patients since COVID-19 and TB co-infection can lead to poorer TB treatment outcomes.

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Zhao, Junyu, and Calvin Or. "An examination of factors beyond the 5C Model in COVID-19 Vaccine Uptake Decisions." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003480.

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A delay in accepting or a refusal of vaccination despite the availability of vaccination services is referred to as vaccine hesitancy. Vaccine hesitancy has gained increased attention, particularly since the outbreak of the COVID-19 pandemic. The most commonly used framework in studies of vaccine hesitancy and its determinants has been the 5C model. The 5C model posits that the five individual-level determinants influencing vaccine hesitancy are confidence, complacency, constraints, calculation, and a feeling of collective responsibility. However, other factors that may also be important in influencing vaccine hesitancy, such as sociodemographic and psychological determinants, have received less attention. Objectives: This study analyzed 1) the effectiveness of the 5C model in predicting the COVID-19 vaccination decision and 2) the association between COVID-19 vaccination decisions and the fear of being infected with COVID-19, attitude toward the media’s COVID-19 vaccination information, monetary incentives, political attitudes, perception of Hong Kong’s future, and attitude toward the vaccination advice of authorities (government officials and healthcare professionals). Methods: This study used data collected in an online questionnaire distributed from May 2022 to June 2022 during the fifth wave of the Omicron variants in Hong Kong. The questionnaire had 32 items measuring the COVID-19 vaccination status, demographic characteristics, the five determinants of the 5C model, and the following six additional factors: 1) fear of being infected with COVID-19, 2) attitude toward the media’s COVID-19 vaccination information, 3) monetary incentive, 4) political attitudes, 5) perception of Hong Kong’s future, and 6) attitude toward the vaccination advice of authorities. Results and Conclusions: For the 5C determinants, only confidence was significantly positively associated with COVID-19 vaccination, whereas complacency, constraints, and collective responsibility were associated when a relaxed p-value (p ≤ 0.25) was used. For the six additional factors, only attitude toward the media’s COVID-19 vaccination information was significantly positively correlated with vaccination status, and when a relaxed p-value (p ≤ 0.25) was used, a fear of being infected with COVID-19, political attitudes, and perception of Hong Kong's future was found to be associated. There was no evidence that calculation, monetary incentives, attitude toward the vaccination advice from authorities, or demographic characteristics were associated with COVID-19 vaccination decisions. The collinearity analysis among the 5C determinants and six additional factors suggested that the six new variables are additional determinants of vaccination decisions.

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Matīse-Van Houtana, Ilze. "Attitudes and Opinions of Veterinary Professionals About Covid-19 Infection and Vaccination Against It." In International scientific conference of the University of Latvia. University of Latvia Press, 2023. http://dx.doi.org/10.22364/ms22.09.

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Veterinarians are well trained to recognize and control infectious diseases and use vaccination as a routine procedure for preventing infectious diseases in animals. This role of veterinarians has become more emphasized since acceptance of concept “One world – one health” by health professions in medical and veterinary fields. It would be expected that veterinarians are well-prepared to form a scientifically based opinion on Covid-19 and on value of vaccination against it at individual and society level. The goal of this study was to determine whether and to what extent veterinary medical knowledge and experience influences beliefs, attitudes and actions towards Covid-19 and vaccination at individual and society levels. To address this goal, structured, anonymous interviews were conducted in March 2022 with volunteers representing veterinary professionals (n = 14). Results showed that veterinary professionals represented a divided community of people. While majority (almost 80%) of veterinary professionals voluntarily chose to be vaccinated and believed that Covid-19 is dangerous to their health and society as a whole, there were 2 respondents that believed in conspiracy theories, 2 that did not think that Covid-19 was substantial threat to them or society, and 3 that refused or were reluctant to get vaccinated. There was a direct correlation between believing in conspiracy theories and vaccine-hesitancy. Personal experience having severe illness caused by Covid-19 did not change beliefs. There was no direct correlation between support for animal vaccinations and support for vaccination against Covid-19. Overall, these results show that veterinary professionals in Latvia are not particularly different from Latvian society in general. Presence of supporters of conspiracy theories and vaccine-sceptics among veterinarians indicate that there are factors besides professional public health training and education (university degree and even PhD) that influence establishment of personal beliefs and attitudes.

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Piddubnyi, Danylo. "IMPACT OF COVID-19 VACCINATION ON PREGNANCY." In THEORETICAL AND PRACTICAL ASPECTS OF MODERN SCIENTIFIC RESEARCH, chair Nataliia Malyk. European Scientific Platform, 2023. http://dx.doi.org/10.36074/logos-24.11.2023.77.

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Звіти організацій з теми "Covid-19 – Vaccination"

Els, Fiona, Yashena Naidoo, and Gillian Maree. COVID-19 vaccination in Gauteng. Gauteng City-Region Observatory, September 2024. http://dx.doi.org/10.36634/wklx7211.

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Rotenberg, Sara, Matthew B. Downer, Hilary Brown, Jane Cooper, Sabrina Campanella, Yousef Safar, Gabrielle M. Katz, et al. COVID-19 Vaccination for People with Disabilities. Ontario COVID-19 Science Advisory Table, June 2021. http://dx.doi.org/10.47326/ocsat.2021.02.35.1.0.

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Karaivanov, Alexander, Dongwoo Kim, Shih En Lu, and Hitoshi Shigeoka. COVID-19 Vaccination Mandates and Vaccine Uptake. Cambridge, MA: National Bureau of Economic Research, December 2021. http://dx.doi.org/10.3386/w29563.

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Kruger, Philip, Michael Hazen, Sara Pasqualoni, and Laurie Monfiletto. REQUEST FOR MEDICAL EXEMPTION FROM COVID-19 VACCINATION. Office of Scientific and Technical Information (OSTI), September 2021. http://dx.doi.org/10.2172/1821337.

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Chen, Cheng-Che, and Chung-Jen Chen. New-Onset Inflammatory Arthritis After Covid-19 Vaccination. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2022. http://dx.doi.org/10.37766/inplasy2022.7.0128.

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Review question / Objective: Investigate the new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases and analyze their clinical patterns. Condition being studied: To help the readers to understand the clinical patterns of new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases. Eligibility criteria: Inclusion criteria: publications of new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases between January 2020 to March 2022. Exclusion criteria: cases with arthritis after SARS-CoV-2 infection and arthritis reactivation in those with underlying or history of arthritis-associated or autoimmune diseases.

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Manski, Charles. Vaccination Planning under Uncertainty, with Application to Covid-19. Cambridge, MA: National Bureau of Economic Research, February 2021. http://dx.doi.org/10.3386/w28446.

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Vagnoni, Cristiana. The future of COVID-19 vaccines. Parliamentary Office of Science and Technology, March 2022. http://dx.doi.org/10.58248/rr79.

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Lally, Clare. Immunity to Covid-19: March 2023 update. Parliamentary Office of Science and Technology, February 2023. http://dx.doi.org/10.58248/rr08.

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Dufour-Simard, Xavier, and Pierre-Carl Michaud. COVID-19 Risk (Mis)Perceptions. CIRANO, December 2024. https://doi.org/10.54932/uefw8578.

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Using a unique large-scale survey repeated over a period of 18 weeks during the Omicron variant wave of early 2022, we study how subjective risk perceptions line up with objective risks across various socio-economic groups in Quebec, Canada. We find that perceptions and infection estimates follow surprisingly similar trends in the aggregate but vary significantly across groups. We associate misperceptions with characteristics such as age, vaccination status and sector of employment. We discuss various implications of these results in terms of prevention and of the effectiveness of policy aimed at reducing the risk of infection through information and education.

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Mishra, Sharmistha, Nathan M. Stall, Huiting Ma, Ayodele Odutayo, Jeffrey C. Kwong, Upton Allen, Kevin A. Brown, et al. A Vaccination Strategy for Ontario COVID-19 Hotspots and Essential Workers. Ontario COVID-19 Science Advisory Table, April 2021. http://dx.doi.org/10.47326/ocsat.2021.02.26.1.0.

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Ontario’s initial mass COVID-19 vaccination strategy in place until April 8, 2021 was based on per-capita regional allocation of vaccines with subsequent distribution – in order of relative priority – by age, chronic health conditions and high-risk congregate care settings, COVID-19 hotspots, and essential worker status. Early analysis of Ontario’s COVID-19 vaccine rollout reveals inequities in vaccine coverage across the province, with residents of higher risk neighbourhoods being least likely get vaccinated. Accelerating the vaccination of COVID-19 hotspots and essential workers will prevent considerably more SARS-CoV-2 infections and COVID-19 hospitalizations, ICU admissions and deaths as compared with Ontario’s initial mass vaccination strategy (Figure 1).

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