Prevalence and predictors of influenza vaccination among residents of long-term care facilities |
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| Affiliation: | 1. School of Public Health and Community Medicine, UNSW Medicine, University of New South Wales, Sydney, Australia;2. The Biosecurity Program, Kirby Institute, UNSW Medicine, University of New South Wales, Sydney, Australia;3. HammondCare, Sydney, Australia;1. Infectious Diseases Section, Tropical Medicine Institute, Universidad Central de Venezuela, Caracas, Venezuela;2. Departamento de Salud de los Niños, Facultad de Medicina, Universidad Metropolitana de Santos, Brazil;3. Agence de Médecine Préventive, Ferney-Voltaire, France;4. Sciences and Technologies for Health EpiLinks, Saint-Genis-Pouilly, France;5. Servicio de Infectología, Hospital Nacional de Niños “Dr. Carlos Sáenz Herrera”, Caja Costarricense de Seguro Social (CCSS), San José, Costa Rica;6. Affiliated Researcher Center for Infectious Disease Modeling and Analysis (CIDMA) at Yale University, New Haven, CT, USA;7. Departamento de Inmunizaciones y de Control de Infección, Hospital Pequeño Principe, Curitiba, PR, Brazil;8. Department of Pediatric Infectious Diseases, Hospital Universitario “José E. Gonzalez”, Universidad Autónoma de Nuevo Leon, Mexico;9. Centro Médico UCE, Santo Domingo, Dominican Republic;10. Director Cafettor Medical, Universidad del Bosque, Bogotá, Colombia;11. Hospital Regional de Alta Especialidad del Bajío, Secretaría de Salud, León Guanajuato, Mexico;1. Department of Epidemiology, Key Laboratory of Public Health Safety (Ministry of Education), Fudan University School of Public Health, Shanghai 200032, China;2. Department of Epidemiology, School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI 48109, USA;3. Department of Internal Medicine, Division of Infectious Disease, University of Michigan Medical School, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA;4. Department of Viral Hepatitis Control and Prevention, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China;1. Department of Medical Laboratory Science, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana;2. Botswana National Health Laboratory, Gaborone, Botswana;3. Centers for Disease Control and Prevention, Atlanta, GA, USA;4. The Children''s Hospital of Philadelphia, USA;5. Botswana-UPenn Partnership, Gaborone, Botswana;6. Botswana-Harvard AIDS Institute Partnership, Gaborone, Botswana;7. WHO Regional Rotavirus Reference Laboratory, Diarrhoeal Pathogens Research Unit, Sefako Makgatho Health Sciences University, South Africa;8. WHO IST East and Southern Africa, Harare, Zimbabwe;9. McMaster University, Hamilton, Canada;10. African Rotavirus Surveillance Network, Immunization, Vaccines and Development Cluster, WHO African Regional Office, Brazzaville, Congo;11. University of British Columbia, Vancouver, Canada;1. Department of Medicine, Mackay Medical College, New Taipei City, Taiwan;2. Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan;3. Medical Research Department, Mackay Memorial Hospital, New Taipei City, Taiwan;4. Institute of Molecular Medicine, National Taiwan University College of Medicine, Taipei, Taiwan;5. Department of Gastroenterology, Buddhist Tzu Chi General Hospital Taipei Branch, New Taipei City, Taiwan;1. Battelle Biomedical Research Center, 1425 Plain City Georgesville Road, JM7, West Jefferson, OH 46162, USA;2. Emergent BioSolutions Inc., 300 Professional Drive, Gaithersburg, MD 20879, USA;1. Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada;2. Trojan Technologies, London, Ontario, Canada;3. SCIEX, Concord, Ontario, Canada |
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| Abstract: | ![]()
Influenza is a respiratory illness which results in significant morbidity and mortality, especially in the older population. Older people living in Long-Term Care Facilities (LTCFs) have a significantly higher risk of infection and complications from influenza. Influenza vaccine is considered the best strategy to prevent infection in high-risk populations. In Australia, the Communicable Diseases Network Australia (CNDA) suggests a vaccination coverage rate of 95% in both staff and residents1. This study aims to measure the vaccination coverage rates for residents in LTCFs and identify predictors of vaccination uptake for these individuals.This study was conducted in nine LTCFs in four sites from March to September 2018. This was done via medical record reviews for residents over 65 years old in these LTCFs, collecting information such as vaccination status, age, gender, ethnicity and occupation. Simple and multivariable logistic regression was used to calculate the Odds Ratio (OR) to determine significant predictors of influenza vaccination uptake.The overall vaccination rate among LTCF residents was 83.6%. Significant predictors of vaccination were LTCF location, ethnicity and previous year vaccination status. Residents in LTCF Site D were less likely to be vaccinated compared to Site A (OR 0.11, 95% CI 0.02–0.61), non-Caucasians were less likely to get vaccinated (OR 0.09, 95% CI 0.01–0.67), and residents who refused the 2017 vaccine were less likely to be vaccinated (OR 0.04, 95% CI 0.01–0.15).Compared with previous Australian studies on LTCF vaccination rates, the overall vaccination rate was high in these LTCFs (83.6% versus 66–84%), but it varied across different sites. Reasons for varying vaccination rates should be explored further – for example, lower rates in non-Caucasians with diverse cultural backgrounds. Better understanding the causes of under-vaccination can help improve vaccination programs in LTCFs. |
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| Keywords: | Influenza Aged care Long term care facilities Outbreaks Ageing |
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