Lifestyle, socioeconomic characteristics, and medical history of elderly persons who receive seasonal influenza vaccination in a tax-supported healthcare system

M Hellfritzsch, RW Thomsen, LM Baggesen, FB Larsen… - Vaccine, 2017 - Elsevier
Background Observational studies on effectiveness of influenza vaccination in the elderly
are thought to be biased by healthier lifestyles and higher socioeconomic status among …

Rates of influenza vaccination in older adults and factors associated with vaccine use: a secondary analysis of the Canadian Study of Health and Aging

MK Andrew, S McNeil, H Merry, K Rockwood - BMC public health, 2004 - Springer
Background Influenza vaccination has been shown to reduce morbidity and mortality in the
older adult population. In Canada, vaccination rates remain suboptimal. We identified factors …

Prevalence and predictors of influenza vaccination among frail, community-living elderly patients: an international observational study

F Landi, G Onder, I Carpenter, V Garms-Homolova… - Vaccine, 2005 - Elsevier
The annual winter outbreak of influenza is one of the major cause of morbidity and mortality
among frail elderly people. The aim of the present study was to identify prevalence and …

Duration of influenza vaccine effectiveness in the elderly in Japan: A retrospective cohort study using large-scale population-based registry data

K Uemura, S Ono, N Michihata, H Yamana… - Vaccine, 2023 - Elsevier
Background The immune response to influenza vaccination in the elderly is likely to be
lower than that in young adults. Clinical protection may not persist year-round in the elderly …

Effectiveness of seasonal influenza vaccination in community-dwelling elderly people: an individual participant data meta-analysis of test-negative design case-control …

M Darvishian, ER van den Heuvel… - The Lancet …, 2017 - thelancet.com
Background Several aggregate data meta-analyses have provided estimates of the
effectiveness of influenza vaccination in community-dwelling elderly people. However, these …

Effectiveness of influenza vaccination in the elderly: a population-based case-crossover study

CY Liang, SJ Hwang, KC Lin, CY Li, CH Loh… - BMJ open, 2022 - bmjopen.bmj.com
Background There is limited information regarding the effectiveness of influenza vaccines for
older adults. Particularly, controlling for healthy senior bias is challenging in observational …

Influenza vaccination in community-dwelling elderly: impact on mortality and influenza-associated morbidity

BCG Voordouw, PD van der Linden… - Archives of Internal …, 2003 - jamanetwork.com
Background Influenza-related morbidity and mortality have been extensively studied with
hospital and reimbursement data. However, little is known about the effectiveness of the …

[PDF][PDF] Influenza vaccination prevalence among the elderly and individuals with chronic disease, and factors affecting vaccination uptake

P Korkmaz, T Paşali Kilit, K Onbaşi… - … European Journal of …, 2019 - avesis.ksbu.edu.tr
Influenza vaccination prevalence among the elderly and individuals with chronic disease,
and factors affecting vaccination uptak Page 1 44 Cent Eur J Public Health 2019; 27 (1): 44–49 …

Evidence of bias in estimates of influenza vaccine effectiveness in seniors

LA Jackson, ML Jackson, JC Nelson… - International journal …, 2006 - academic.oup.com
Background Numerous observational studies have reported that seniors who receive
influenza vaccine are at substantially lower risk of death and hospitalization during the …

Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: a population-based, nested case-control study

ML Jackson, JC Nelson, NS Weiss, KM Neuzil… - The Lancet, 2008 - thelancet.com
Background Pneumonia is a common complication of influenza infection in elderly
individuals and could therefore potentially be prevented by influenza vaccination. In studies …