title: [Prophylactic effect of live influenza vaccine in a small epidemic of influenza and its evaluation method (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D007564:Japan; D009975:Orthomyxoviridae / Q000276:immunology
chemical_list: D007252:Influenza Vaccines