Editorial: Live influenza virus vaccines.
D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D009154:Mutation; D009975:Orthomyxoviridae; D011995:Recombination, Genetic; D014613:Vaccines, Attenuated
D007252:Influenza Vaccines; D014613:Vaccines, Attenuated