[The causes of plague inveteration in its natural foci].
D000818:Animals; D001359:Aviation; D004197:Disease Reservoirs; D004463:Ecology; D004812:Epidemiologic Methods; D007303:Insect Vectors; D010930:Plague / Q000453:epidemiology*; D011156:Population Density; D012377:Rodentia; D005423:Siphonaptera; D012988:Soil Microbiology; D014195:Travel; D015010:Yersinia pestis / Q000472:pathogenicity
Les causes de l'invétération de la peste dans ses foyers naturels.