title: [Directions and results of epidemiologic surveillance of nature foci of infection in the North-West].
mesh_terms: D000818:Animals; D006801:Humans; D012426:Russia; D015047:Zoonoses / Q000453:epidemiology*
vernacular_title: Napravleniia i rezul'taty épidemiologicheskoĭ razvedki prirodnoochagovykh infektsiĭ na Severo-Zapade