title: [Problem of preservation of the causative agent of plague in nature as a methodological task in epidemiology of anthropozoonoses].
mesh_terms: D000818:Animals; D004197:Disease Reservoirs; D004463:Ecology; D006801:Humans; D010930:Plague / Q000382:microbiology* / Q000635:transmission; D015010:Yersinia pestis / Q000502:physiology; D015047:Zoonoses / Q000382:microbiology
vernacular_title: Problema sokhraneniia vozbuditelia chumy v prirode kak metodologicheskaia zadacha v epidemiologii antropozoonozov.