title: [Natural foci of infections--the basic terms and concepts].
mesh_terms: D000818:Animals; D003141:Communicable Diseases; D004014:Dictionaries as Topic; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D004463:Ecology; D006801:Humans; D010272:Parasitic Diseases; D009626:Terminology as Topic; D015047:Zoonoses
vernacular_title: Prirodnaia ochagovost' infektsiĭ--osnovnye terminy i poniatiia.