In The Lancet Infectious Diseases , Michael Osterholm and colleagues report a meta-analysis on the efficacy and effectiveness of influenza vaccines licensed in the USA.
Although not confined to country of licensure, similar analyses have been published by the Cochrane collaboration. However, this new studydiffers in several ways from the Cochrane analyses. Osterholm and colleagues' meta-analysis uses the classic epidemiological definitions of efficacy and effectiveness, in which efficacy refers to ...
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Although not confined to country of licensure, similar analyses have been published by the Cochrane collaboration. However, this new studydiffers in several ways from the Cochrane analyses. Osterholm and colleagues' meta-analysis uses the classic epidemiological definitions of efficacy and effectiveness, in which efficacy refers to ...
Weblink here
