Journal
VACCINE
Volume 20, Issue 13-14, Pages 1831-1836Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0264-410X(02)00041-5
Keywords
influenza vaccine; effectiveness; community-living
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Aim: To estimate the effectiveness of inactivated influenza vaccine in persons aged 65 years and over living in the community. Scope: A meta-analysis of studies selected using predetermined criteria without language restriction. Conclusion: Influenza vaccine was effective in reducing influenza-like illness by 35% (95% confidence interval (CI) 19-47%), hospitalization for pneumonia and influenza by 33% (CI 27-38%), mortality following hospitalization for pneumonia and influenza by 47% (CI 25-62%); and mortality from all causes by 50% (CI 45-56%). (C) 2002 Elsevier Science Ltd. All rights reserved.
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