title: Ecology of plague in Vietnam: commensal rodents and their fleas.
mesh_terms: D000818:Animals; D004463:Ecology; D007303:Insect Vectors; D010930:Plague / Q000453:epidemiology*; D051381:Rats; D005423:Siphonaptera; D014744:Vietnam; D015010:Yersinia pestis / Q000302:isolation & purification*