Shut out flu.
Rapoport
D
D
D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D009864:Ontario / Q000453:epidemiology; D010342:Patient Acceptance of Health Care / Q000706:statistics & numerical data
D007252:Influenza Vaccines