Effect of influenza vaccination of healthcare personnel on morbidity and mortality among patients: systematic review and grading of evidence.
Clin Infect Dis. 2014 Jan;58(1):50-7. doi: 10.1093/cid/cit580. Epub 2013 Sep 17.
Clin Infect Dis. 2014.
PMID: 24046301
Review.