title: [Areal of the causative agent of plague and origin of its natural worldwide foci].
mesh_terms: D000349:Africa; D000818:Animals; D001208:Asia; D004197:Disease Reservoirs; D006801:Humans; D007194:India; D008270:Madagascar; D009656:North America; D010930:Plague / Q000453:epidemiology*; D051381:Rats; D012377:Rodentia; D013020:South America
vernacular_title: Areal vozbuditelia chumy i proiskhozhdenie prirodnykh ee ochagov na zemnom share.