An interpretation of the significance of influenza virus variation for the development of an effective vaccine.
D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D009975:Orthomyxoviridae; D014612:Vaccines
D007252:Influenza Vaccines; D014612:Vaccines
INFLUENZA VIRUS/variability; INFLUENZA/prevention and control