Three Cochrane Reviews have been newly updated to incorporate the latest available evidence on vaccines for the prevention of influenza. These reviews, which focus on the prevention of influenza in healthy adults, healthy children, and in the elderly, form a long-running series by the same author team, and are available in full on the Cochrane Library:

Vaccines for preventing influenza in healthy adults

Vaccines for preventing influenza in healthy children

Vaccines for preventing influenza in the elderly

With this latest round of updates, the authors and the Acute Respiratory Infections Group editorial team have made some key decisions regarding the stability of the accumulated evidence and criteria which will guide further progress on updating. The authors have outlined their perspectives on the reviews to date, and the larger evidence picture, in a companion piece on the Cochrane Blog:

Why have three long-running Cochrane Reviews on influenza vaccines been stabilised?