[Anti-grippe vaccination using Gripovac].
D001938:Brazil; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D008403:Mass Screening; D008722:Methods
D007252:Influenza Vaccines
Vacinação antigripal com Gripovac.