title: [Epidemiological effectiveness of inactivated influenza vaccine according to selective contingent observation data].
mesh_terms: D004306:Dose-Response Relationship, Immunologic; D004341:Drug Evaluation; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D012426:Russia; D014505:Urban Population; D014611:Vaccination; D014613:Vaccines, Attenuated / Q000008:administration & dosage*
chemical_list: D007252:Influenza Vaccines; D014613:Vaccines, Attenuated
vernacular_title: Epidemiologicheskaia éffektivnost' inaktivirovannoĭ grippoznoĭ vaktsiny po dannym vyborochnogo obsledovaniia kollektivov.