title: [Evaluation of the efficacy of mass vaccinations against influenza. 3].
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D012426:Russia; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines
vernacular_title: Otsenka éffektivnosti massovykh privivok protiv grippa. 3.