title: [Natural foci infections].
mesh_terms: D000818:Animals; D000835:Animals, Wild; D003141:Communicable Diseases / Q000453:epidemiology / Q000635:transmission*; D004197:Disease Reservoirs; D006801:Humans; D007303:Insect Vectors; D012621:Seasons; D014586:USSR
vernacular_title: Prirodno-ochagovye infektsii.