Effectiveness of inactivated influenza vaccines in preventing influenza-associated deaths and hospitalizations among Ontario residents aged ≥ 65 years: estimates with generalized linear models accounting for healthy vaccinee effects.

BACKGROUND: Estimates of the effectiveness of influenza vaccines in older adults may be biased because of difficulties identifying and adjusting for confounders of the vaccine-outcome association. We estimated vaccine effectiveness for prevention of serious influenza complications among older person...

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Bibliographic Details
Main Authors: Benjamin J Ridenhour, Michael A Campitelli, Jeffrey C Kwong, Laura C Rosella, Ben G Armstrong, Punam Mangtani, Andrew J Calzavara, David K Shay
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3797825?pdf=render