title: [The effectiveness of influenza prevention with a special variation of live influenza vaccine for children in the 1969 epidemic].
mesh_terms: D000917:Antibody Formation; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007115:Immunization Schedule; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D014586:USSR; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines
vernacular_title: Izuchenie éffektivnosti profilaktiki grippa spetsial'nym variantom zhivoĭ grippoznoĭ vaktsiny dlia deteĭ v épidemiiu 1969 g.