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Meta-Analysis
. 2002 Mar 15;20(13-14):1831-6.
doi: 10.1016/s0264-410x(02)00041-5.

A meta-analysis of effectiveness of influenza vaccine in persons aged 65 years and over living in the community

Trang Vu  1 , Stephen Farish, Mark Jenkins, Heath Kelly
Affiliations
Meta-Analysis

A meta-analysis of effectiveness of influenza vaccine in persons aged 65 years and over living in the community

Trang Vu et al. Vaccine. .

Abstract

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%).

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