Merits, flaws of live virus flu vaccine debated.
Marwick
C
C
D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects; D007251:Influenza, Human / Q000517:prevention & control*; D014613:Vaccines, Attenuated / Q000009:adverse effects
D007252:Influenza Vaccines; D014613:Vaccines, Attenuated