Influenza vaccination: protecting the most vulnerable.

"Conflict of interest: A.R. Tanner has nothing to disclose.: Conflict of interest: R.B. Dorey has nothing to disclose.: Conflict of interest: N.J. Brendish has nothing to disclose.: Conflict of interest: T.W. Clark reports personal fees from BioMerieux and BioFire LLC, Synairgen Research Ltd, Cidara Therapeutics and Janssen; non-financial support from BioMerieux and BioFire LLC; personal fees and other support from Roche, and grants from NIHR, outside the submitted work."

"Support statement: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. This report is independent research supported by the National Institute for Health Research (NIHR Post-Doctoral Fellowship, Tristan W. Clark, PDF 2016-09-061). The views expressed in this publication are those of the author(s) and not necessarily those of the National Health Service, the National Institute for Health Research or the Department of Health. N.J. Brendish is supported by a NIHR Clinical Lecturer post."