It's flu season again!
D003428:Cross Infection / Q000517:prevention & control; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D063373:Hand Hygiene / Q000379:methods*; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control* / Q000635:transmission
D007252:Influenza Vaccines