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Journal articles on the topic 'Influenza vaccination'
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Gates, Dana M., Steven A. Cohen, Kelly Orr, and Aisling R. Caffrey. "Pharmacist-Administered Influenza Vaccination in Children and Corresponding Regulations." Vaccines 10, no. 9 (August 28, 2022): 1410. http://dx.doi.org/10.3390/vaccines10091410.
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In our retrospective cohort study, we evaluated trends in pharmacist-administered pediatric influenza vaccination rates in the United States and corresponding state-level pharmacist pediatric vaccination authorization models, including minimum age requirements, vaccination protocols, and/or prescription requirements. An administrative health claims database was used to capture influenza vaccinations in children less than 18 years old with 1 year of continuous enrollment and joinpoint regression was used to assess trends. Of the 3,937,376 pediatric influenza vaccinations identified over the study period, only 3.2% were pharmacist-administered (87.7% pediatrician offices, 2.3% convenience care clinics, 0.8% emergency care, and 6.0% other locations). Pharmacist-administered pediatric influenza vaccination was more commonly observed in older children (mean age 12.65 ± 3.26 years) and increased significantly by 19.2% annually over the study period (95% confidence interval 9.2%-30.2%, p < 0.05). The Northeast, with more restrictive authorization models, represented only 2.2% (n = 2816) of all pharmacist-administered pediatric influenza vaccinations. Utilization of pharmacist-administered pediatric influenza vaccination remains low. Providing children with greater access to vaccination with less restrictions may increase overall vaccination rates. Due to the COVID-19 pandemic and the Public Readiness and Emergency Preparedness Act, pharmacists will play a major role in vaccinating children.
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Zhou, F., M. C. Lindley, J. T. Lee, and T. C. Jatlaoui. "Association Between Influenza Vaccination During Pregnancy and Infant Influenza Vaccination." Obstetric Anesthesia Digest 44, no. 1 (February 22, 2024): 42. http://dx.doi.org/10.1097/01.aoa.0001005436.35108.8c.
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(Obstet Gynecol. 2023;141:563–569) Vaccines are safe and effective in preventing illness, including in mildly immunosuppressed individuals such as pregnant women. Influenza vaccines have been in use for decades and have been shown to be safe and effective at preventing illness in both mother and child, providing protection through the transplacental transfer of antibodies to infants too young to receive their own vaccination. Influenza presents increased risks to pregnant individuals as well as adverse outcomes for fetuses and infants. Annual influenza vaccinations are recommended for everyone 6 months and older, but rates of annual vaccinations are chronically low. This study was designed to evaluate the association between influenza vaccination during pregnancy and infant influenza vaccination.
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Sienicka, Agnieszka, Agata Pisula, Katarzyna Karina Pawlik, Agnieszka Dobrowolska-Redo, Joanna Kacperczyk-Bartnik, and Ewa Romejko-Wolniewicz. "The Obstetrician’s Role in Pregnant Women’s Decision-Making Process Regarding Influenza and COVID-19 Vaccination." Vaccines 11, no. 10 (October 18, 2023): 1608. http://dx.doi.org/10.3390/vaccines11101608.
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Pregnant women are considered to be a population vulnerable to influenza and COVID-19 infections, and the latest guidelines consistently recommend that they receive influenza and COVID-19 vaccinations. A cross-sectional questionnaire-based study was conducted among pregnant women in Poland to determine which factors have the greatest impact on their decision to vaccinate against influenza and COVID-19. A total of 515 pregnant women participated in the study. Among them, 38.4% (n = 198) demonstrated a positive attitude toward influenza vaccination, and 64.3% (n = 331) demonstrated a positive attitude toward COVID-19 vaccination. Logistic regression analysis revealed that the strongest influence on positive attitudes toward COVID-19 vaccination is having it recommended by an obstetrician–gynecologist (OR = 2.439, p = 0.025). The obstetrician–gynecologist’s recommendation to vaccinate against influenza also significantly influences the decision to vaccinate (OR = 5.323). The study results also show a strong correlation between the obstetrician–gynecologist as a source of information on influenza and vaccination and participants’ positive attitudes toward vaccination (OR = 4.163). Obstetricians have a significant influence on pregnant women’s decisions regarding vaccinations. Further recommendations to vaccinate and awareness-raising among obstetricians may be needed to increase the vaccination rate of pregnant women in Poland.
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Han, Kaiyi, Zhiyuan Hou, Shiyi Tu, Qian Wang, Simeng Hu, Yuting Xing, Jing Du, Shujie Zang, Tracey Chantler, and Heidi Larson. "Childhood Influenza Vaccination and Its Determinants during 2020–2021 Flu Seasons in China: A Cross-Sectional Survey." Vaccines 10, no. 12 (November 23, 2022): 1994. http://dx.doi.org/10.3390/vaccines10121994.
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Young children aged 6–59 months are recommended as one of the priority groups for seasonal influenza vaccination in China. This study assessed influenza vaccination coverage and the factors associated with vaccination uptake among children in three Chinese provinces. In September 2021, 2081 caregivers with children <5 years completed self-administered questionnaires as part of a cross-sectional survey. Logistic regression was used to assess determinants of childhood influenza vaccination. A total of 43.63% of respondents reported vaccinating their children against influenza during the 2020–2021 flu season. Caregivers who lived in Anhui province, had a bachelor degree or above, and an annual household income <20,000 RMB were more likely to vaccinate their children against influenza. Confidence in the importance (OR: 2.50; 95%CI: 1.77–3.54), safety (OR: 1.60; 95%CI: 1.29–1.99), and effectiveness (OR: 1.54; 95%CI: 1.23–1.93) of influenza vaccine was significantly associated with childhood vaccine acceptance. Respondents who saw that other caregivers were vaccinating their children had significantly higher odds of vaccinating their own children. Caregivers’ receiving positive influence from healthcare workers (OR: 1.33; 95%CI: 1.00–1.77), family members, or friends (OR: 1.30; 95%CI: 1.14–1.49) were also significantly associated with childhood influenza vaccination. Poor access, including conflicts between caregivers’ availability and vaccination service schedules and inconvenient transportation to the vaccination site were negatively associated with childhood flu vaccination. To promote childhood influenza vaccination, public health information campaigns need to target wealthier and less educated caregivers to enhance caregivers’ confidence in influenza vaccination. Targeted interventions are also needed to optimize access to vaccination services, including extending vaccination service hours and increasing the number of vaccination sites close to residential areas. Interventions are also needed to encourage primary care providers to play a greater role in promoting vaccination. Finally, the dissemination of related information and the public response need to be monitored for the timely understanding of public perceptions.
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Uma, A., and P. Thirumalaikolundusubramanian. "Influenza Vaccination." Annals of Saudi Medicine 19, no. 1 (January 1999): 62. http://dx.doi.org/10.5144/0256-4947.1999.62.
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Cook, Rosemary. "Influenza vaccination." Nursing Standard 12, no. 1 (September 24, 1997): 49–56. http://dx.doi.org/10.7748/ns.12.1.49.s55.
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Foster, Donna. "Influenza Vaccination." AAOHN Journal 56, no. 10 (October 2008): 409–11. http://dx.doi.org/10.3928/08910162-20081001-07.
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N/A. "Influenza Vaccination." Biological Therapies in Dentistry 18, no. 02 (2002): 005. http://dx.doi.org/10.2310/7040.2002.28194.
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Schofield, Irene. "Influenza vaccination." Nursing Older People 12, no. 9 (December 2000): 21–24. http://dx.doi.org/10.7748/nop2000.12.12.9.21.c2164.
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Wilson, R. "Influenza vaccination." Thorax 49, no. 11 (November 1, 1994): 1079–80. http://dx.doi.org/10.1136/thx.49.11.1079.
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Treanor, John J. "Influenza Vaccination." New England Journal of Medicine 375, no. 13 (September 29, 2016): 1261–68. http://dx.doi.org/10.1056/nejmcp1512870.
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Schofield, Irene. "Influenza vaccination." Nursing Older People 11, no. 6 (September 1, 1999): 19–22. http://dx.doi.org/10.7748/nop.11.6.19.s13.
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Sidaway, David. "Influenza vaccination." Nursing Older People 13, no. 10 (February 2002): 37. http://dx.doi.org/10.7748/nop.13.10.37.s25.
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Childre, Frances, and Donna Foster. "Influenza Vaccination." AAOHN Journal 56, no. 10 (October 2008): 409–11. http://dx.doi.org/10.1177/216507990805601001.
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Sleigh, Kenna M., Fawziah H. Marra, and H. Grant Stiver. "Influenza Vaccination." American Journal of Respiratory Medicine 1, no. 1 (February 2002): 3–9. http://dx.doi.org/10.1007/bf03257157.
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Pierrynowski Gallant, Donna M., Mary Ann Murray, and Shelly McNeil. "Influenza Vaccination." Canadian Journal of Public Health 97, no. 2 (March 2006): 136–38. http://dx.doi.org/10.1007/bf03405332.
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Jackson, David, Devon Abele, Meghan Leusch, Angelee Nuce, and Ariana Philbin. "Influenza vaccination." Journal of the American Academy of Physician Assistants 31, no. 12 (December 2018): 1–2. http://dx.doi.org/10.1097/01.jaa.0000549507.73610.91.
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Beach, J. "Influenza vaccination." Occupational Medicine 52, no. 5 (August 1, 2002): 237–38. http://dx.doi.org/10.1093/occmed/52.5.237.
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McGraw, Caroline. "Influenza vaccination." Primary Health Care 18, no. 8 (October 13, 2008): 31. http://dx.doi.org/10.7748/phc.18.8.31.s22.
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Cook, Rosemary. "Influenza vaccination." Primary Health Care 2, no. 9 (October 1992): 10–12. http://dx.doi.org/10.7748/phc.2.9.10.s13.
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Drennan, Vari. "Influenza vaccination." Primary Health Care 22, no. 1 (January 31, 2012): 13. http://dx.doi.org/10.7748/phc.22.1.13.s12.
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Maciosek, Michael V., Leif I. Solberg, Ashley B. Coffield, Nichol M. Edwards, and Michael J. Goodman. "Influenza Vaccination." American Journal of Preventive Medicine 31, no. 1 (July 2006): 72–79. http://dx.doi.org/10.1016/j.amepre.2006.03.008.
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Gillick, Muriel R. "Influenza Vaccination." Archives of Internal Medicine 151, no. 9 (September 1, 1991): 1742. http://dx.doi.org/10.1001/archinte.1991.00400090044008.
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Nichol, Kristin L. "Influenza Vaccination." Archives of Internal Medicine 152, no. 1 (January 1, 1992): 106. http://dx.doi.org/10.1001/archinte.1992.00400130124015.
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Zakhour, Ramia, Hani Tamim, Farah Faytrouni, Joanne Khoury, Maha Makki, and Lama Charafeddine. "Knowledge, attitude and practice of influenza vaccination among Lebanese parents: A cross-sectional survey from a developing country." PLOS ONE 16, no. 10 (October 14, 2021): e0258258. http://dx.doi.org/10.1371/journal.pone.0258258.
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Background A growing number of parents refuse vaccination due to concerns about side effects. Influenza vaccine is no exception and remains one of the most controversial vaccines. Data regarding influenza vaccine uptake and parental knowledge, attitude and practice towards vaccination in the Lebanese population is lacking. The aim of this study was to assess the rate of vaccination refusal and potential associated factors among Lebanese parents of school-aged children, in general and with a focus on influenza vaccine. Methods A parent questionnaire was distributed in randomly selected 2 public and 2 private schools from the greater Beirut area during the school year 2017–2018. Questionnaires covered knowledge, attitude (including themes of efficacy, hesitancy and trust), and practice of vaccination in general and influenza vaccine in particular. Results The response rate was 76.5% (306/400). Overall, 29.4% parents reported vaccinating their children against influenza (62.2% in private and 37.7% in public schools). Younger age, paternal employment and higher household income were associated with higher vaccination rates (p = 0.01, 0.02 and <0.0001 respectively). Lack of vaccine recommendation by the physician was the most common reason for not taking it (47%). Parents who accepted influenza vaccination had higher scores in efficacy, hesitancy and trust and were more compliant with other vaccinations. Conclusion One third of parents of school aged children in the greater Beirut area vaccinate their children against influenza. This rate is likely lower in rural remote areas. Physician’s recommendation is the single most important predictor of such vaccination. Future studies tackling physicians’ attitude and practice are needed to help improve influenza vaccination rates in the Lebanese population.
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Zakhour, Ramia, Hani Tamim, Farah Faytrouni, Joanne Khoury, Maha Makki, and Lama Charafeddine. "Knowledge, attitude and practice of influenza vaccination among Lebanese parents: A cross-sectional survey from a developing country." PLOS ONE 16, no. 10 (October 14, 2021): e0258258. http://dx.doi.org/10.1371/journal.pone.0258258.
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Background A growing number of parents refuse vaccination due to concerns about side effects. Influenza vaccine is no exception and remains one of the most controversial vaccines. Data regarding influenza vaccine uptake and parental knowledge, attitude and practice towards vaccination in the Lebanese population is lacking. The aim of this study was to assess the rate of vaccination refusal and potential associated factors among Lebanese parents of school-aged children, in general and with a focus on influenza vaccine. Methods A parent questionnaire was distributed in randomly selected 2 public and 2 private schools from the greater Beirut area during the school year 2017–2018. Questionnaires covered knowledge, attitude (including themes of efficacy, hesitancy and trust), and practice of vaccination in general and influenza vaccine in particular. Results The response rate was 76.5% (306/400). Overall, 29.4% parents reported vaccinating their children against influenza (62.2% in private and 37.7% in public schools). Younger age, paternal employment and higher household income were associated with higher vaccination rates (p = 0.01, 0.02 and <0.0001 respectively). Lack of vaccine recommendation by the physician was the most common reason for not taking it (47%). Parents who accepted influenza vaccination had higher scores in efficacy, hesitancy and trust and were more compliant with other vaccinations. Conclusion One third of parents of school aged children in the greater Beirut area vaccinate their children against influenza. This rate is likely lower in rural remote areas. Physician’s recommendation is the single most important predictor of such vaccination. Future studies tackling physicians’ attitude and practice are needed to help improve influenza vaccination rates in the Lebanese population.
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Myers, Angela L., John Lantos, Lauren Douville, and Mary Anne Jackson. "Healthcare Worker Knowledge and Attitudes Regarding Influenza Immunization and Childhood Vaccination." Infection Control & Hospital Epidemiology 31, no. 6 (June 2010): 643–46. http://dx.doi.org/10.1086/652777.
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We surveyed healthcare workers (HCWs) about influenza vaccination and routine childhood vaccinations. We found that most HCWs' children received vaccinations, despite concerns regarding safety and efficacy. HCWs who received influenza vaccine were more likely to immunize their children against influenza, although a substantial proportion of HCWs' children did not receive influenza vaccination.
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Fogel, Benjamin N., and Steven D. Hicks. "“Flu-Floppers”: Factors Influencing Families’ Fickle Flu Vaccination Patterns." Clinical Pediatrics 59, no. 4-5 (January 22, 2020): 352–59. http://dx.doi.org/10.1177/0009922819901002.
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While influenza vaccination in the prior year is a strong predictor of subsequent vaccination, many families do not have static vaccination patterns. This study examined factors guiding influenza vaccination decisions among parents whose children sporadically received the influenza vaccination (flu-floppers). We administered surveys to 141 flu-flopper families. Surveys included 21 factors associated with vaccine decision making. A conceptual framework of “passive” and “active” decision making was used to assess parental motivators behind vaccine decisions. The most common reason for vaccinating was a desire to prevent influenza (45%). The most common reason for not vaccinating was a belief that influenza vaccination is not effective (29%). Most parents (88%) reported an active reason in years when their child was vaccinated, while only 43% reported an active reason when their child was not vaccinated ( P < .00001). These findings may guide efforts to increase influenza vaccination rates in children most amenable to vaccination.
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Barrett, John P., Irene M. Rosen, Louis R. Stout, and Stephanie E. Rosen. "Influenza Vaccination, Self-reported Illness, and Obstacles for Vaccination Among the 2010 ROTC Warrior Forge Cadet Cohort." Military Medicine 185, Supplement_1 (January 2020): 610–16. http://dx.doi.org/10.1093/milmed/usz257.
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ABSTRACT Introduction This study evaluates a large cohort of college students after the 2009–2010 pandemic H1N1 influenza season. The objective was to assess influenza vaccination status, influenzalike illnesses (ILIs), and other characteristics associated with attaining immunizations. Methods This study was conducted during the summer 2010 the Reserve Officer Training Corps Leadership Development and Assessment Course involving 6272 college students. A voluntary, anonymous questionnaire was administered to assess study objectives. Results Vaccination rates were 39.9% for pandemic H1N1, 40.6% for seasonal influenza, and 32.6% for receiving both vaccinations. Age less than 25 and having a Reserve Officer Training Corps scholarship were associated with lower odds of receiving vaccinations, whereas entering the nursing field and simultaneous membership in the Army reserve forces were associated with higher odds of vaccination. There are 11.2% of respondents reported having an ILI, including 4.3% with severe ILI. There were 4184 reasons indicated for not attaining influenza vaccinations, which are listed in categorical groupings. Conclusions A historical anchor for vaccination rates and ILI is provided in a large cohort of college students following the 2009 H1N1 influenza pandemic. Influenza immunization locations were determined, as was self-reported obstacles to receiving vaccinations. These are important results for public health leaders seeking to increase vaccination rates during future influenza seasons.
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Root-Bernstein, Robert. "Pneumococcal and Influenza Vaccination Rates and Pneumococcal Invasive Disease Rates Set Geographical and Ethnic Population Susceptibility to Serious COVID-19 Cases and Deaths." Vaccines 9, no. 5 (May 8, 2021): 474. http://dx.doi.org/10.3390/vaccines9050474.
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This study examines the relationship of pneumococcal vaccination rates, influenza, measles-mumps-rubella (MMR) diphtheria-tetanus-pertussis vaccinations (DTP), polio, Haemophilus influenzae type B (Hib), and Bacillus Calmette–Guerin (tuberculosis) vaccination rates to COVID-19 case and death rates for 51 nations that have high rates of COVID-19 testing and for which nearly complete childhood, at-risk adult and elderly pneumococcal vaccination data were available. The study is unique in a large number of nations examined, the range of vaccine controls, in testing effects of combinations of vaccinations, and in examining the relationship of COVID-19 and vaccination rates to invasive pneumococcal disease (IPD). Analysis of Italian regions and the states of the United States were also performed. Significant positive correlations were found between IPD (but not lower respiratory infections) and COVID-19 rates, while significant negative correlations were found between pneumococcal vaccination and COVID-19 rates. Influenza and MMR vaccination rates were negatively correlated with lower respiratory infection (LRI) rates and may synergize with pneumococcal vaccination rates to protect against COVID-19. Pneumococcal and influenza vaccination rates were independent of other vaccination rates. These results suggest that endemic rates of bacterial pneumonias, for which pneumococci are a sentinel, may set regional and national susceptibility to severe COVID-19 disease and death.
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Nagasaki, Joji, Masahiro Manabe, Kentaro Ido, Hiroyoshi Ichihara, Yasutaka Aoyama, Tadanobu Ohta, Yoshio Furukawa, and Atsuko Mugitani. "Postinfluenza Vaccination Idiopathic Thrombocytopenic Purpura in Three Elderly Patients." Case Reports in Hematology 2016 (2016): 1–4. http://dx.doi.org/10.1155/2016/7913092.
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The etiologies of secondary idiopathic thrombocytopenic purpura (ITP) include infection, autoimmune disease, and immunodeficiency. We report the cases of three elderly patients who developed ITP after receiving influenza vaccinations. The platelet count of an 81-year-old woman fell to 27,000/μL after she received an influenza vaccination. A 75-year-old woman developed thrombocytopenia (5,000 platelets/μL) after receiving an influenza vaccination. An 87-year-old woman whose laboratory test values included a platelet count of 2,000/μL experienced genital bleeding after receiving an influenza vaccination. AfterHelicobacter pylori(HP) eradication or corticosteroid treatment, all of the patients’ platelet counts increased. Influenza vaccination is an underlying etiology of ITP in elderly patients. HP eradication or corticosteroid treatment is effective for these patients. Clinicians should be aware of the association between ITP and influenza vaccinations.
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Banks, Laura L., Cameron Crandall, and Luke Esquibel. "Throughput Times for Adults and Children During Two Drive-Through Influenza Vaccination Clinics." Disaster Medicine and Public Health Preparedness 7, no. 2 (March 25, 2013): 175–81. http://dx.doi.org/10.1017/dmp.2013.3.
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AbstractObjectivesSuccessful planning for public health emergencies requires knowledge of effective methods for mass distribution of medication and supplies to the public. We measured the time required for the key components of 2 drive-through vaccination clinics and summarized the results as they applied to providing medical countermeasures to large populations of children and adults. We hypothesized that vaccinating children in addition to adults would affect throughput time.MethodsUsing 2 separate drive-through vaccination clinics, we measured elapsed time for vehicle flow and vaccination procedures. We calculated the median length of stay and the time to administer vaccinations based on the number of individual vaccinations given per vehicle, and compared the vehicles in which children (aged 9-18 years) were vaccinated to those in which only adults were vaccinated.ResultsA total of 2174 vaccinations and 1275 vehicles were timed during the 2 clinics. The number of vaccinations and vehicles per hour varied during the course of the day; the maximums were 200 and 361 per hour, respectively. The median throughput time was 5 minutes, and the median vaccination time was 48 seconds. Flow over time varied by the hour, and the optimum number of vaccinations per vehicle to maximize efficiency was between 3 and 4. Our findings showed that the presence of children raised the total number of vaccinations given per vehicle and, therefore, the total vaccination processing time per vehicle. However, the median individual procedure time in the vehicles with children was not significantly increased, indicating no need to calculate increased times for processing children 9 years of age or older during emergency planning.ConclusionsDrive-through clinics can provide a large number of seasonal influenza vaccinations in a relatively efficient manner; provide needed experience for students and practitioners in techniques for mass administration of medical countermeasures; and assist public health and emergency management personnel with disaster planning. Including children older than 9 years does not reduce efficiency. (Disaster Med Public Health Preparedness. 2013;0:1–7)
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Huiberts, Anne, Brigitte van Cleef, Aimée Tjon-A-Tsien, Frederika Dijkstra, Imke Schreuder, Ewout Fanoy, Arianne van Gageldonk, Wim van der Hoek, and Liselotte van Asten. "Influenza vaccination of school teachers: A scoping review and an impact estimation." PLOS ONE 17, no. 8 (August 11, 2022): e0272332. http://dx.doi.org/10.1371/journal.pone.0272332.
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Introduction Influenza vaccination, besides protecting traditional risk groups, can protect employees and reduce illness-related absence, which is especially relevant in sectors with staff shortages. This study describes current knowledge of influenza vaccination in teachers and estimates its potential impact. Methods We conducted a scoping review of the considerations for and impact of influenza vaccination of schoolteachers (grey and scientific literature up to 2020 March, complemented with interviews). We then estimated the potential impact of teacher vaccination in the Netherlands, with different scenarios of vaccine uptake for 3 influenza seasons (2016–2019). Using published data on multiple input parameters, we calculated potentially averted absenteeism notifications, averted absenteeism duration and averted doctor visits for influenza. Results Only one scientific paper reported on impact; it showed lower absenteeism in vaccinated teachers, whereas more knowledge of vaccination impact was deemed crucial by 50% of interviewed experts. The impact for the Netherlands of a hypothetical 50% vaccine uptake was subsequently estimated: 74–293 potentially averted physician visits and 11,178–28,896 potentially averted days of influenza absenteeism (on ≈200,000 total teacher population). An estimated 12–32 vaccinations were required to prevent one teacher sick-leave notification, or 3.5–9.1 vaccinations to prevent one day of teacher absenteeism (2016–2019). Conclusion Scientific publications on influenza vaccination in teachers are few, while public interest has increased to reduce teacher shortages. However, school boards and public health experts indicate requiring knowledge of impact when considering this vaccination. Estimations of 3.5–9.1 vaccinated teachers preventing one day of influenza-related sick leave suggest a possible substantial vaccination impact on absenteeism. Financial incentives, more accessible on-site vaccinations at workplaces, or both, are expected to increase uptake, but more research is needed on teachers’ views and vaccine uptake potential and its cost-effectiveness. Piloting free on-site influenza vaccination in several schools could provide further information on teacher participation.
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Richard, Stephanie A., Christina Schofield, Rhonda Colombo, Mary P. Fairchok, Ryan C. Maves, John Arnold, Patrick Danaher, et al. "1512. Influenza vaccine effectiveness wanes over the influenza season: results from five military treatment facilities." Open Forum Infectious Diseases 7, Supplement_1 (October 1, 2020): S759—S760. http://dx.doi.org/10.1093/ofid/ofaa439.1693.
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Abstract Background Influenza vaccination can reduce influenza burden, but questions have arisen about the duration of vaccine protection. While the timing of vaccination varies, annual receipt of influenza vaccine is mandated for active duty military personnel. The goal of this analysis is to determine if influenza vaccine effectiveness decreases over time. A secondary goal of this analysis is to determine if repeated influenza vaccination is associated with risk for influenza. Methods Otherwise healthy individuals presenting for treatment of acute respiratory infections at 5 military treatment facilities from 2009 to 2018 were enrolled in the Acute Respiratory Infection Consortium (ARIC) study. Individuals with complete demographics, influenza vaccination in the two years prior to illness, and influenza laboratory results were included in this analysis (n=1,273). Multivariate logistic regression was used to calculate the odds of an influenza diagnosis according to time since influenza vaccination, categorized in 90-day periods. The model also included age, race, month of diagnosis, influenza season, and whether the participant received 4+ influenza vaccinations in the past 5 years. Results One hundred and ninety-two individuals (15%) had laboratory confirmed influenza (Table 1). Participants were mostly active duty, male, and white. Over half of the participants received 4+ influenza vaccinations in the past 5 years. Participants who were vaccinated 90-179 and 180+ days ago had greater odds of being diagnosed with influenza than did individuals who were vaccinated < 90 days prior to illness onset (Table 2). Participants who were 18-24 years old had lower odds of influenza than individuals in other age groups. Vaccine experience (vaccinated against influenza for at least four of the past five years), race, and ethnicity were not statistically significantly associated with influenza diagnosis. Table 1. Characteristics of individuals included in the analysis of waning influenza vaccine effectiveness in the ARIC study Table 2. Multivariate logistic regression results from model using influenza diagnosis as the outcome variable. Also included in the model are season and month of diagnosis. Conclusion Influenza vaccination was most effective 14-89 days post-vaccination and effectiveness decreased thereafter. Repeat influenza vaccination, however, was not significantly associated with greater odds of influenza. The waning effectiveness of influenza vaccination indicates additional consideration be given to the timing of vaccination. Disclaimer Disclosures All Authors: No reported disclosures
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Parimalanathan, Vaishnavi, Mark Joy, Pieter Jan Van Dam, Xuejuan Fan, and Simon de Lusignan. "Association between Influenza Vaccine Administration and Primary Care Consultations for Respiratory Infections: Sentinel Network Study of Five Seasons (2014/2015–2018/2019) in the UK." International Journal of Environmental Research and Public Health 18, no. 2 (January 10, 2021): 523. http://dx.doi.org/10.3390/ijerph18020523.
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Influenza, a vaccine preventable disease, is a serious global public health concern which results in a considerable burden on the healthcare system. However, vaccine hesitancy is increasingly becoming a global problem. One prevalent misconception is that influenza vaccinations can cause the flu. We carried out this study to determine whether people undertaking influenza vaccination presented less with acute respiratory tract infection (ARTI) and influenza-like-illness (ILI) following vaccination. We utilised the Oxford Royal College of General Practitioners Research and Surveillance Centre sentinel database to examine English patients who received vaccination between 2014/2015 and 2018/2019. Of the 3,841,700 influenza vaccinations identified, vaccination details and primary care respiratory consultation counts were extracted to calculate the relative incidence (RI) per exposure risk period using the self-controlled case series methodology. Results showed a significant increase in the RI of respiratory consultation rates within fourteen days of vaccination across all five years. Less than 6.2% of vaccinations led to consultations for ARTI or ILI in primary care (crude consultation rate 6196 per 100,000). These findings, particularly if confirmed in further research, may reduce the risk of cross-infection between waiting patients and increase uptake of influenza vaccine.
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Parimalanathan, Vaishnavi, Mark Joy, Pieter Jan Van Dam, Xuejuan Fan, and Simon de Lusignan. "Association between Influenza Vaccine Administration and Primary Care Consultations for Respiratory Infections: Sentinel Network Study of Five Seasons (2014/2015–2018/2019) in the UK." International Journal of Environmental Research and Public Health 18, no. 2 (January 10, 2021): 523. http://dx.doi.org/10.3390/ijerph18020523.
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Influenza, a vaccine preventable disease, is a serious global public health concern which results in a considerable burden on the healthcare system. However, vaccine hesitancy is increasingly becoming a global problem. One prevalent misconception is that influenza vaccinations can cause the flu. We carried out this study to determine whether people undertaking influenza vaccination presented less with acute respiratory tract infection (ARTI) and influenza-like-illness (ILI) following vaccination. We utilised the Oxford Royal College of General Practitioners Research and Surveillance Centre sentinel database to examine English patients who received vaccination between 2014/2015 and 2018/2019. Of the 3,841,700 influenza vaccinations identified, vaccination details and primary care respiratory consultation counts were extracted to calculate the relative incidence (RI) per exposure risk period using the self-controlled case series methodology. Results showed a significant increase in the RI of respiratory consultation rates within fourteen days of vaccination across all five years. Less than 6.2% of vaccinations led to consultations for ARTI or ILI in primary care (crude consultation rate 6196 per 100,000). These findings, particularly if confirmed in further research, may reduce the risk of cross-infection between waiting patients and increase uptake of influenza vaccine.
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Madewell, Zachary J., Rafael Chacón-Fuentes, Jorge Jara, Homer Mejía-Santos, Ida-Berenice Molina, Juan Pablo Alvis-Estrada, Rosa Coello-Licona, and Belinda Montejo. "Knowledge, attitudes, and practices of seasonal influenza vaccination in postpartum women, Honduras." PLOS ONE 16, no. 2 (February 11, 2021): e0246385. http://dx.doi.org/10.1371/journal.pone.0246385.
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Background Influenza during pregnancy may cause serious neonatal outcomes including stillbirth, fetal distress, preterm birth, congenital abnormalities, and stunted growth. Pregnant women are the highest priority group for seasonal influenza vaccination, but low coverage has been repeatedly reported in this population. Understanding reasons for and for not receiving the seasonal influenza vaccine is needed to design communication strategies to increase vaccination coverage. This study aimed to describe knowledge, attitudes, and practices (KAP) of seasonal influenza vaccination among women giving birth in public maternity hospitals in Honduras. Methods From August 20–October 8, 2018, we conducted a cross-sectional KAP survey regarding seasonal influenza vaccinations to a sample of postpartum women who gave birth in maternity hospitals and clinics from the Ministry of Health of Honduras and Honduran Social Security Institute. We reported frequency distributions for demographics, KAP of influenza vaccine, and vaccination coverage. We used logistic regression to analyze unadjusted and adjusted associations between sociodemographic characteristics and influenza vaccination. Results We surveyed 842 postpartum women in 17 healthcare facilities. Of 534 postpartum women with term pregnancy and verified vaccinations, 417 (78.1%; 95% CI: 74.6–81.6%) were vaccinated for influenza. Factors associated with verified influenza vaccination included receipt of vaccination recommendations by a healthcare worker during prenatal check-ups (aOR: 16.46; 95% CI: 9.73–27.85), concurrent chronic disease (aOR: 5.00; 95% CI: 1.25–20.07), and influenza vaccination of other children in the household (aOR: 2.28; 95% CI: 1.19–4.39). The most cited reasons for vaccination were perceived benefits for both mother and infant and easy access. Reasons for non-vaccination were: vaccine was not offered and fear of side effects, harm to the infant, and needles or pain caused by injection. Conclusion Influenza vaccination was well received among postpartum women in Honduras. Increasing clinician recommendations for vaccination and assuring the vaccine is readily available to women during prenatal visits may increase vaccination rates.
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Langer, Roland, and Mirjam Thanner. "Pharmacists’ Seasonal Influenza Vaccine Recommendations." Pharmacy 10, no. 3 (April 25, 2022): 51. http://dx.doi.org/10.3390/pharmacy10030051.
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Seasonal influenza vaccination rates among European countries remain low despite the World Health Organization’s recommendations to vaccinate high-risk groups. Healthcare worker recommendations are strong predictors of increased vaccination uptake in the population. Therefore, this study aimed to analyze seasonal influenza vaccination recommendation behavior among pharmacists towards high-risk groups including patients, coworkers, and pharmacists’ family members during the COVID-19 pandemic. This cross-sectional, questionnaire-based research was conducted in Switzerland during the flu season and sent to all members of the Swiss Pharmacist Association. In December 2020, 569 community pharmacists completed the online survey. The influenza vaccination recommendation rates for high-risk patients were 93.6% for the elderly, 70.7% for pregnant women, 65.2% for immunocompromised people, and 60.3% for patients with chronic diseases. Pharmacists tend to recommend influenza immunization to patients more than to family members and colleagues. Holding a certification to administer immunization and personal influenza vaccine history were the main predictors for recommending influenza vaccination to patients, family members, and colleagues. Our results indicated that influenza vaccination recommendation rates in our whole sample of pharmacists, were higher for vaccinated and immunizing pharmacists. Ensuring high vaccinations rates and high ratio of immunizing pharmacists may be important in promoting seasonal influenza vaccination in the general population.
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Langer, Roland, and Mirjam Thanner. "Pharmacists’ Seasonal Influenza Vaccine Recommendations." Pharmacy 10, no. 3 (April 25, 2022): 51. http://dx.doi.org/10.3390/pharmacy10030051.
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Seasonal influenza vaccination rates among European countries remain low despite the World Health Organization’s recommendations to vaccinate high-risk groups. Healthcare worker recommendations are strong predictors of increased vaccination uptake in the population. Therefore, this study aimed to analyze seasonal influenza vaccination recommendation behavior among pharmacists towards high-risk groups including patients, coworkers, and pharmacists’ family members during the COVID-19 pandemic. This cross-sectional, questionnaire-based research was conducted in Switzerland during the flu season and sent to all members of the Swiss Pharmacist Association. In December 2020, 569 community pharmacists completed the online survey. The influenza vaccination recommendation rates for high-risk patients were 93.6% for the elderly, 70.7% for pregnant women, 65.2% for immunocompromised people, and 60.3% for patients with chronic diseases. Pharmacists tend to recommend influenza immunization to patients more than to family members and colleagues. Holding a certification to administer immunization and personal influenza vaccine history were the main predictors for recommending influenza vaccination to patients, family members, and colleagues. Our results indicated that influenza vaccination recommendation rates in our whole sample of pharmacists, were higher for vaccinated and immunizing pharmacists. Ensuring high vaccinations rates and high ratio of immunizing pharmacists may be important in promoting seasonal influenza vaccination in the general population.
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Langer, Roland, and Mirjam Thanner. "Pharmacists’ Seasonal Influenza Vaccine Recommendations." Pharmacy 10, no. 3 (April 25, 2022): 51. http://dx.doi.org/10.3390/pharmacy10030051.
Full textAbstract:
Seasonal influenza vaccination rates among European countries remain low despite the World Health Organization’s recommendations to vaccinate high-risk groups. Healthcare worker recommendations are strong predictors of increased vaccination uptake in the population. Therefore, this study aimed to analyze seasonal influenza vaccination recommendation behavior among pharmacists towards high-risk groups including patients, coworkers, and pharmacists’ family members during the COVID-19 pandemic. This cross-sectional, questionnaire-based research was conducted in Switzerland during the flu season and sent to all members of the Swiss Pharmacist Association. In December 2020, 569 community pharmacists completed the online survey. The influenza vaccination recommendation rates for high-risk patients were 93.6% for the elderly, 70.7% for pregnant women, 65.2% for immunocompromised people, and 60.3% for patients with chronic diseases. Pharmacists tend to recommend influenza immunization to patients more than to family members and colleagues. Holding a certification to administer immunization and personal influenza vaccine history were the main predictors for recommending influenza vaccination to patients, family members, and colleagues. Our results indicated that influenza vaccination recommendation rates in our whole sample of pharmacists, were higher for vaccinated and immunizing pharmacists. Ensuring high vaccinations rates and high ratio of immunizing pharmacists may be important in promoting seasonal influenza vaccination in the general population.
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Madewell, Zachary J., Rafael Chacón-Fuentes, Jorge Jara, Homer Mejía-Santos, Ida-Berenice Molina, Juan Pablo Alvis-Estrada, and Raul Espinal. "Knowledge, attitudes, and practices of seasonal influenza vaccination among older adults in nursing homes and daycare centers, Honduras." PLOS ONE 16, no. 2 (February 11, 2021): e0246382. http://dx.doi.org/10.1371/journal.pone.0246382.
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Background Older adults represent 70–90% of seasonal influenza-related deaths and 50–70% of influenza-related hospitalizations. Vaccination is the most efficient means of preventing influenza and reducing influenza-related illnesses. We aimed to describe knowledge, attitudes, and practices (KAP) of seasonal influenza vaccination among older adults in Honduras. Methods From August 29–October 26, 2018, we conducted a cross-sectional KAP survey regarding seasonal influenza vaccinations to samples of older adults 1) admitted to nursing homes and 2) attending daycare centers. We used the Minimental State Examination (MMSE) psychometric tool to assess the cognitive status of older adults and included participants with scores of ≥23 points in the survey. We reported frequency distributions for demographics, KAP of influenza virus and vaccination, and vaccination coverage. We used logistic regression to analyze associations between demographics and verified influenza vaccination. Results Of 511 MMSE participants, 341 completed the survey (95 adults in 12 nursing homes and 246 older adults in ten daycare centers). Almost all participants knew that influenza causes severe illness and may be transmitted from person to person, vaccination is safe and protects against disease, and older adults have greater risk of complications. Of 284 participants with verified vaccinations, 81.3% were vaccinated for influenza: 87.9% attending daycare centers and 61.4% in nursing homes. Among all participants, verified current influenza vaccination was associated with self-reported influenza vaccination in previous year (aOR: 14.05; 95% CI: 5.36–36.81); no formal education (aOR: 4.83; 95% CI: 1.63–14.37) or primary school education (aOR: 4.51; 95% CI: 1.79–11.37) having ≥secondary as reference; and indigenous (aOR: 4.55; 95% CI: 1.18–17.49) having Mestizo as reference. Reasons for vaccination were perceived self-benefits, protection against influenza complications, favorable vaccination hours, and healthcare provider recommendations. Conclusion Four-fifths of older adults were vaccinated for seasonal influenza. Educational efforts provided in conjunction with vaccination campaigns resulted in high knowledge of influenza virus, transmission, and vaccination. Further outreach regarding disease risks and vaccine safety needs to be directed towards older adults in nursing homes who had lower knowledge and coverage than older adults in daycare centers.
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Kravos, Andrej, Lucija Kračun, Klara Kravos, and Rade Iljaž. "The Impact of Patient’s Socio-Demographic Characterictics, Comorbidities and Attitudes on Flu Vaccination Uptake in Family Practice Settings / Vpliv Bolnikovih Psihosocialnih Značilnosti, Komorbidnosti In Stališč Na Odločitev O Cepljenju Proti Gripi V Ambulantah Družinske Medicine." Slovenian Journal of Public Health 54, no. 3 (September 1, 2015): 204–11. http://dx.doi.org/10.1515/sjph-2015-0029.
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Abstract Objectives. In Slovenia, the role of family physicians in primary care and preventive procedures is very important. Influenza vaccination rates in Slovenia are low. The reasons for low vaccination rates in Slovenia were not clear. We suppose that patient’s beliefs and attitudes are important factors. We assessed patients’ opinions regarding the acceptance of flu vaccination by their family physicians and their beliefs and attitudes about flu and vaccination. The aim was to check out factors that influence the decision to take the vaccine in family physician offices. Methods. This was a cross-sectional, multicenter, observational study in the Styria region in Slovenia. We included patients from seven family physicians during regular office visits. They filled in a questionnaire about their general demographic data and attitudes regarding influenza and vaccination. The main outcome was the decision to be vaccinated. Results. The logistic regression model identified five predictors for influenza vaccination, namely: heart disease, previous vaccination, an agreement with the beliefs ‘the vaccination is an efficient measure to prevent influenza’, ‘after the vaccination there are usually no important side effects’ and ‘the vaccination is also recommended for a healthy adult person’. The belief that vaccinations harm the immune system is negatively associated with vaccination. Conclusions. Patients’ beliefs are an important factor to decide for vaccination or not. Family physician teams should discuss with patients their beliefs and concerns about vaccination.
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Wijesundara, Jessica G., Mayuko Ito Fukunaga, Jessica Ogarek, Bruce Barton, Lloyd Fisher, Peggy Preusse, Devi Sundaresan, Lawrence Garber, Kathleen M. Mazor, and Sarah L. Cutrona. "Electronic Health Record Portal Messages and Interactive Voice Response Calls to Improve Rates of Early Season Influenza Vaccination: Randomized Controlled Trial." Journal of Medical Internet Research 22, no. 9 (September 25, 2020): e16373. http://dx.doi.org/10.2196/16373.
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Background Patient reminders for influenza vaccination, delivered via an electronic health record patient portal and interactive voice response calls, offer an innovative approach to engaging patients and improving patient care. Objective The goal of this study was to test the effectiveness of portal and interactive voice response outreach in improving rates of influenza vaccination by targeting patients in early September, shortly after vaccinations became available. Methods Using electronic health record portal messages and interactive voice response calls promoting influenza vaccination, outreach was conducted in September 2015. Participants included adult patients within a large multispecialty group practice in central Massachusetts. Our main outcome was electronic health record–documented early influenza vaccination during the 2015-2016 influenza season, measured in November 2015. We randomly assigned all active portal users to 1 of 2 groups: (1) receiving a portal message promoting influenza vaccinations, listing upcoming clinics, and offering online scheduling of vaccination appointments (n=19,506) or (2) receiving usual care (n=19,505). We randomly assigned all portal nonusers to 1 of 2 groups: (1) receiving interactive voice response call (n=15,000) or (2) receiving usual care (n=43,596). The intervention also solicited patient self-reports on influenza vaccinations completed outside the clinic. Self-reported influenza vaccination data were uploaded into the electronic health records to increase the accuracy of existing provider-directed electronic health record clinical decision support (vaccination alerts) but were excluded from main analyses. Results Among portal users, 28.4% (5549/19,506) of those randomized to receive messages and 27.1% (5294/19,505) of the usual care group had influenza vaccinations documented by November 2015 (P=.004). In multivariate analysis of portal users, message recipients were slightly more likely to have documented vaccinations when compared to the usual care group (OR 1.07, 95% CI 1.02-1.12). Among portal nonusers, 8.4% (1262/15,000) of those randomized to receive calls and 8.2% (3586/43,596) of usual care had documented vaccinations (P=.47), and multivariate analysis showed nonsignificant differences. Over half of portal messages sent were opened (10,112/19,479; 51.9%), and over half of interactive voice response calls placed (7599/14,984; 50.7%) reached their intended target, thus we attained similar levels of exposure to the messaging for both interventions. Among portal message recipients, 25.4% of message openers (2570/10,112) responded to a subsequent question on receipt of influenza vaccination; among interactive voice response recipients, 72.5% of those reached (5513/7599) responded to a similar question. Conclusions Portal message outreach to a general primary care population achieved a small but statistically significant improvement in rates of influenza vaccination (OR 1.07, 95% CI 1.02-1.12). Interactive voice response calls did not significantly improve vaccination rates among portal nonusers (OR 1.03, 95% CI 0.96-1.10). Rates of patient engagement with both modalities were favorable. Trial Registration ClinicalTrials.gov NCT02266277; https://clinicaltrials.gov/ct2/show/NCT02266277
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Luther, Megan. "990. Impact of Influenza Vaccination Setting on Timing of Vaccination in a National Sample of Influenza-Vaccinated Adults." Open Forum Infectious Diseases 5, suppl_1 (November 2018): S293. http://dx.doi.org/10.1093/ofid/ofy210.827.
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Abstract Background The CDC recommends annual influenza vaccination by the end of October if possible. Timing of vaccination is vital since people over 65 may be at risk for intraseason immunity waning. Traditionally, vaccinations occur in doctor’s offices, but other settings are increasing the availability and convenience of vaccines. The objective was to assess the association between timing and setting of influenza vaccination. Methods The 2015 Behavioral Risk Factor Surveillance System (BRFSS) telephone survey was used to identify adults in the United States who reported a flu shot in the past year. Based on self-reported date of flu shot, the 2014–2015 flu season was included and divided into early (July–October) vs. late (November–May) vaccination. Settings of vaccination included doctor’s office, clinic/hospital, store, and work. Covariates of interest were demographics, having a checkup within previous 1 year, insurance, obesity (BMI ≥ 30), alcohol use, current smoking status, and comorbidities. Comorbidities (hypertension, high cholesterol, stroke, angina, heart attack, skin cancer, other cancer, arthritis, depression, kidney disease, diabetes, asthma, and chronic obstructive pulmonary disease) were categorized as 0, 1–2, or 3+ present. Logistic regression, stratified by age ≥65, identified predictors of early vaccination. Results A total of 130,615 patients were included. Patients vaccinated in doctor’s offices and stores tended to be older and have higher rates of comorbidities compared with those in clinics or at work. In age-stratified analyses, patients 18–64 had higher odds of early vaccination at clinics (odds ratio 1.11, 95% confidence interval 1.02–1.22), stores (OR 1.09, 95% CI 1.002–1.19), and work (OR 1.88, 95% CI 1.71–2.05) compared with doctor’s offices. Patients aged ≥65 had higher odds of early vaccination at stores (OR 1.17, 95% CI 1.07–1.27) and work (OR 1.67, 95% CI 1.33–2.09). Patients with certain traits (e.g., males, smokers, and those with children) have lower odds of early vaccination. Conclusion Vaccination setting is associated with vaccination timing: nontraditional (store, work) settings increase the odds of receiving a flu shot before the end of October. Age plays a key role in when and where patients receive flu vaccinations. Vaccination programs in nontraditional settings should consider targeting the later flu season to increase participation. Disclosures All authors: No reported disclosures.
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Papazoglou, Dimitrios David, Oliver Baretella, Martin Feller, Cinzia Del Giovane, Elisavet Moutzouri, Drahomir Aujesky, Matthias Schwenkglenks, et al. "Cross-sectional study on the prevalence of influenza and pneumococcal vaccination and its association with health conditions and risk factors among hospitalized multimorbid older patients." PLOS ONE 16, no. 11 (November 16, 2021): e0260112. http://dx.doi.org/10.1371/journal.pone.0260112.
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Background Older adults with chronic conditions are at high risk of complications from influenza and pneumococcal infections. Evidence about factors associated with influenza and pneumococcal vaccination among older multimorbid persons in Europe is limited. The aim of this study was to investigate the prevalence and determinants of these vaccinations in this population. Methods Multimorbid patients aged ≥70 years with polypharmacy were enrolled in 4 European centers in Switzerland, Belgium, the Netherlands, and Ireland. Data on vaccinations, demographics, health care contacts, and comorbidities were obtained from self-report, general practitioners and medical records. The association of comorbidities or medical contacts with vaccination status was assessed using multivariable adjusted log-binomial regression models. Results Among 1956 participants with available influenza vaccination data (median age 79 years, 45% women), 1314 (67%) received an influenza vaccination within the last year. Of 1400 patients with available pneumococcal vaccination data (median age 79 years, 46% women), prevalence of pneumococcal vaccination was 21% (n = 291). The prevalence of vaccination remained low in high-risk populations with chronic respiratory disease (34%) or diabetes (24%), but increased with an increasing number of outpatient medical contacts. Chronic respiratory disease was independently associated with the receipt of both influenza and pneumococcal vaccinations (prevalence ratio [PR] 1.09, 95% confidence interval [CI] 1.03–1.16; and PR 2.03, 95%CI 1.22–3.40, respectively), as was diabetes (PR 1.06, 95%CI 1.03–1.08; PR 1.24, 95%CI 1.16–1.34, respectively). An independent association was found between number of general practitioner visits and higher prevalence of pneumococcal vaccination (p for linear trend <0.001). Conclusion Uptake of influenza and particularly of pneumococcal vaccination in this population of European multimorbid older inpatients remains insufficient and is determined by comorbidities and number and type of health care contacts, especially outpatient medical visits. Hospitalization may be an opportunity to promote vaccination, particularly targeting patients with few outpatient physician contacts.
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Učakar, Veronika, and Alenka Kraigher. "Acceptance of seasonal influenza vaccination among Slovenian physicians, 2016." Slovenian Journal of Public Health 58, no. 1 (January 21, 2019): 47–53. http://dx.doi.org/10.2478/sjph-2019-0006.
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Abstract Introduction Vaccination against seasonal influenza is recommended for all healthcare workers including physicians in Slovenia to protect vulnerable individuals and reduce transmission of influenza viruses. The aim of our study is to determine the uptake of seasonal influenza vaccination among Slovenian physicians, to identify factors associated with that vaccination and assess their attitudes and beliefs regarding vaccination and vaccine-preventable diseases. Methods A cross-sectional survey was performed among physician members of the Slovenian Medical Chamber. The link to the anonymous web-based questionnaire was sent to 8,297 physicians. We estimated the overall proportion of physicians who vaccinate against influenza, while the possible associations with collected explanatory variables were explored in univariate analyses. Results The response rate to the survey was 10.8%. 75.9% (95% CI: 73.1–78.7%) physicians vaccinate themselves against influenza (regularly or occasionally) and 24.1% (95% CI: 21.2–26.8%) do not vaccinate (not any more or never). In univariate analysis only, the area of work was statistically significant when associated with vaccinating against influenza (p=0.002). Among physicians who expressed some misconceptions regarding vaccination and vaccine-preventable diseases (it is better to overcome disease naturally as vaccines pose a higher risk than disease) the proportion of vaccinated against influenza was low (43.2%; 95% CI: 27.9–58.4%, 27.3%; 95% CI: 7.1–47.5%). Conclusion Not trusting in vaccination or professional recommendations regarding vaccination and some misconceptions regarding vaccination and vaccine-preventable diseases may influence the decision to be vaccinated against seasonal influenza among Slovenian physicians.
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Marks, Suzanne M., Alexey Clara, Amy Parker Fiebelkorn, Xuan Le, Paige A. Armstrong, Stephanie Campbell, Judith Mendel Van Alstyne, et al. "Influenza Vaccination in Health Centers During the Coronavirus Disease 2019 Pandemic—United States, 7–27 November 2020." Clinical Infectious Diseases 73, Supplement_1 (July 15, 2021): S92—S97. http://dx.doi.org/10.1093/cid/ciab318.
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Abstract Background Influenza vaccination is the most effective way to prevent influenza and influenza-associated complications including those leading to hospitalization. Resources otherwise used for influenza could support caring for patients with coronavirus disease 2019 (COVID-19). The Health Resources and Services Administration (HRSA) Health Center Program serves 30 million people annually by providing comprehensive primary healthcare, including influenza vaccination, to demographically diverse and historically underserved communities. Because racial and ethnic minority groups have been disproportionately affected by COVID-19, the objective of this analysis was to assess disparities in influenza vaccination at HRSA-funded health centers during the COVID-19 pandemic. Methods The Centers for Disease Control and Prevention and HRSA analyzed cross-sectional data on influenza vaccinations from a weekly, voluntary health center COVID-19 survey after addition of an influenza-related question covering 7–11 November 2020. Results During the 3-week period, 1126 of 1385 health centers (81%) responded to the survey. Most of the 811 738 influenza vaccinations took place in urban areas and in the Western US region. There were disproportionately more health center influenza vaccinations among racial and ethnic minorities in comparison with county demographics, except among non-Hispanic blacks and American Indian/Alaska Natives. Conclusions HRSA-funded health centers were able to quickly vaccinate large numbers of mostly racial or ethnic minority populations, disproportionately more than county demographics. However, additional efforts might be needed to reach specific racial populations and persons in rural areas. Success in influenza vaccination efforts can support success in severe acute respiratory syndrome coronavirus 2 vaccination efforts.
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Luo, Ching-Shan, Ching-Chi Chi, Yu-Ann Fang, Ju-Chi Liu, and Kang-Yun Lee. "Influenza vaccination reduces dementia in patients with chronic obstructive pulmonary disease: a nationwide cohort study." Journal of Investigative Medicine 68, no. 4 (January 14, 2020): 838–45. http://dx.doi.org/10.1136/jim-2019-001155.
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This study aimed to explore the protective potential of influenza vaccination against occurrence of dementia in patients with chronic obstructive pulmonary disease (COPD), who are expected to be more vulnerable to influenza infection. This nationwide retrospective cohort study enrolled patients with COPD (aged ≥60 years) from 1 January 2001 to 31 December 2012 by using the Taiwan National Health Insurance Research Database. By applying time-dependent Cox proportional hazard model, we used multivariate analysis to calculate the adjusted HR (aHR) with 95% CI of dementia in relation to influenza vaccination among patients with COPD. Besides, patients were partitioned into four groups according to the vaccination number (unvaccinated, 1, 2–3 and ≥4 total vaccinations) to investigate the dose-response effect of vaccinations on the dementia incidence. This cohort study included 19 848 patients with COPD, and 45% of them received influenza vaccination. The aHR of dementia was 0.68 (95% CI: 0.62 to 0.74, p<0.001) comparing vaccinated patients with unvaccinated ones. Furthermore, there was a trend of dementia risk reduction with the vaccination number. For patients who received 2–3 vaccinations, the aHR was 0.81 (95% CI: 0.73 to 0.90), and for those received 4 vaccinations, the aHR was 0.44 (95% CI: 0.40 to 0.50), with p for trend <0.001. In conclusion, annual influenza vaccination can reduce the risk of dementia in patient with COPD in a dose-dependent manner.
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Veronese, Nicola, Nancy Zambon, Marianna Noale, and Stefania Maggi. "Poverty and Influenza/Pneumococcus Vaccinations in Older People: Data from The Survey of Health, Ageing and Retirement in Europe (SHARE) Study." Vaccines 11, no. 9 (August 27, 2023): 1422. http://dx.doi.org/10.3390/vaccines11091422.
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Vaccine acceptance seems to be lower in poor people. The determinants of the lower vaccine coverage in poor people are not established. Therefore, we aimed to explore the association between poverty and influenza/pneumococcus vaccinations and the factors potentially associated with vaccination’s coverage in poor people. The data of the Survey of Health, Ageing and Retirement in Europe (SHARE), an ongoing longitudinal, multi-disciplinary, and cross-national European study where used. Poverty was defined using information on income and household size. Among 47,370 participants initially included in the SHARE study, 12,442 were considered poor. In the multivariable logistic regression analysis, “Household size” was associated with a significantly lower vaccination probability, meanwhile “Age”, “Years of education”, “Regularly taking prescription drugs”, and the level of income were significantly associated with higher probabilities of both influenza and pneumonia vaccinations. The “Number of illnesses/health conditions” was significantly associated with a higher probability of getting vaccination against influenza and against pneumococcus. In conclusion, among poor older people, several specific factors could be identified as barriers for the vaccinations against influenza or pneumococcus that are unique to this segment of the population, such as living with the family and having a job.
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Wojczyk, Marek, Paulina Rutecka, Dawid Wolak, Zuzanna Zięba, Dorota Zatłoka, Filip Klimas, Urszula Wójsik, and Katarzyna Wójtowicz. "Vaccination against influenza and attitudes towards seasonal vaccination of medical students from the Medical University of Silesia." Postępy Higieny i Medycyny Doświadczalnej 77, no. 1 (January 1, 2023): 133–42. http://dx.doi.org/10.2478/ahem-2023-0019.
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Abstract Introduction To reduce the incidence of influenza, healthcare workers and medical students are recommended to receive annual seasonal vaccination. This study aimed to investigate the behavior of students regarding their willingness to be vaccinated against influenza and the attitudes influencing their approval or disapproval of influenza vaccination. Materials and Methods This cross-sectional study was designed as an online survey among students of the Medical University of Silesia (MUS) of all years and specialties, as MUS is the largest medical college in Poland. A total of 302 students participated in the study and completed an online questionnaire. The collected data were analyzed using descriptive and analytical statistics. The significance of the differences was tested using the chi-square test. Results The percentage of students who received influenza vaccinations in the past was 42.1%, and in the current influenza season (Autumn 2022) was 33.4%. The level of vaccination differed significantly depending on the study program (p < 0.001). An important variable affecting the decision to vaccinate was participation in clinical classes. Among the students taking practical classes, 59.4% were vaccinated. Most respondents had a positive opinion about influenza vaccination (98%). Belief in the effectiveness of vaccination (35.6%) was the main reason for vaccination against influenza, as indicated by the respondents. The main reason for not being vaccinated was a lack of fear of influenza infection (22.9%). Conclusions The results obtained in this study indicate the need to introduce changes in the field of broader education regarding the effectiveness of vaccinations in reducing the number of influenza virus infections among medical students.