Annual studies of influenza vaccine effectiveness: evaluating performance, informing policy, and generating new questions.
PATH, Seattle.
Kathleen M
KM
Neuzil
John C
JC
Victor
D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control*; D008297:Male; D014611:Vaccination / Q000379:methods*
D007252:Influenza Vaccines
case-control study; effectiveness; influenza vaccine; vaccine policy