Background. Hospitalization of older adults during the period of influenza vaccination in the
fall of each year presents a barrier to immunization against influenza. This study evaluates a …

Available strategies to increase influenza vaccination rates in the elderly have not been
tested in the private sector where most elderly receive care. We performed a randomized …

OBJECTIVE: The aim of the study is (1) to describe the prevalence of vaccination against
influenza in older home care patients and (2) to investigate the protective effect of influenza …

This study developed methods and determined the impact of influenza vaccination on
elderly persons in 3 large health plans: Kaiser Permanente Northwest, HealthPartners, and …

Objective: Each year, influenza and its complications account for 10,000-40,000 excess
deaths in the United States. Over 80% of these deaths occur among the elderly. The …

Background Despite recommendations for annual vaccination against influenza, more than
half of elderly Americans do not receive this vaccine. In a serial cohort study, we assessed …

Objectives: To determine whether standing orders for influenza vaccine increase its usage in
an ambulatory setting in elderly patients. Design: Retrospective analysis of influenza …

Background. The impact of influenza vaccination on major cause-specific hospitalization
and the duration of hospital stay is rarely reported. Our purpose was to study the effect of …

Influenza is an important cause of morbidity and mortality in the elderly. We questioned
attendees at a Baltimore County senior center that offered influenza vaccination about the …

OBJECTIVE: To estimate influenza vaccine effectiveness (VE) in preventing hospitalizations
in persons over 50 years of age. DESIGN: We performed a retrospective, population based …