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Aim: To identify studies of influenza vaccination of HCWs and influenza in elderly residents in long-term care facilities. Scope: We searched seven electronic databases for randomised controlled trials (RCTs) and non-RCTs. Two reviewers independently extracted data and assessed trial quality. Conclusions: The key outcomes are serologically proven influenza, pneumonia, and deaths from pneumonia, and pooled data from three C-RCTs showed no effect. Pooled data from three C-RCTs showed lower resident all-cause mortality, but as influenza constituted less than 10% of all deaths even in epidemic years we question the appropriateness of this outcome measure. Pooled data from three C-RCTs showed vaccination of HCWs reduced ILI and data from one C-RCT that HCW vaccination reduced GP consultations for ILI, but as influenza constitutes less than 25% of ILI and we did not show that HCW influenza vaccination reduced serologically proven influenza we question whether this effect is due to confounding. © 2010 Elsevier Ltd.

Original publication

DOI

10.1016/j.vaccine.2010.09.085

Type

Journal article

Journal

Vaccine

Publication Date

16/12/2010

Volume

29

Pages

344 - 356