Data on safety and epidemiological efficiency of antiinfluenza vaccine studied on pre-school children.
D000917:Antibody Formation; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007110:Immunity, Active; D007223:Infant; D007252:Influenza Vaccines / Q000009:adverse effects; D007251:Influenza, Human / Q000517:prevention & control*; D012572:School Health Services; D014611:Vaccination
D007252:Influenza Vaccines