Effectiveness of Influenza Vaccine in Health Care Professionals

Effectiveness of influenza vaccine in health care professionals: a randomized trial.

CONTEXT Data are limited and conflicting regarding the effectiveness of influenza vaccine in health care professionals. OBJECTIVE To determine the effectiveness of trivalent influenza vaccine in reducing infection, illness, and absence from work in young, healthy health care professionals. DESIGN Randomized, prospective, double-blind, controlled trial over 3 consecutive years, from 1992-199...

Influenza vaccine effectiveness, 2010/11.

Decline in influenza vaccine effectiveness with time

J Castilla ([email protected])1,2, I Martínez-Baz1,2, V Martínez-Artola3, G Reina4, F Pozo5, M García Cenoz1,2, M Guevara1,2, J Morán6, F Irisarri1,2, M Arriazu1,2, E Albéniz6, C Ezpeleta3, A Barricarte1,2, Primary Health Care Sentinel Network7, Network for Influenza Surveillance in Hospitals of Navarre7 1. Instituto de Salud Pública de Navarra (Public Health Institute of Navarre), Pamplona, ...

Knowledge, attitudes and perceptions of health professionals in relation to A/H1N1 influenza and its vaccine

OBJECTIVE To determine the intention of health professionals, doctors and nurses, concerning whether or not to be vaccinated against A/H1N1 influenza virus, and their perception of the severity of this pandemic compared with seasonal flu. MATERIAL AND METHODS A cross-sectional study was carried out based on an questionnaire e-mailed to health professionals in public healthcare centres in Vito...

Effectiveness of the trivalent influenza vaccine.

Bottom line For healthy adults, the flu shot reduces the influenza rate when the vaccine is well matched (number needed to treat [NNT] of 12 to 37). A poorly matched vaccine has diminished effectiveness. For community-dwelling seniors, the NNT to prevent 1 case of influenza is 40. The flu shot has not been shown to decrease hospitalizations. Evidence that the flu shot decreases mortality is lik...