title: Some speculations concerning extrahuman Rickettsia prowazeki and a few remarks about the epidemiology of Rickettsia mooseri.
mesh_terms: D000820:Animal Diseases / Q000453:epidemiology*; D000818:Animals; D003168:Complement Fixation Tests; D004534:Egypt; D005002:Ethiopia; D005827:Genetics, Microbial; D006168:Guinea Pigs; D006386:Hemagglutination Tests; D006801:Humans; D007303:Insect Vectors; D009154:Mutation; D008003:Phthiraptera; D051381:Rats; D012281:Rickettsia / Q000302:isolation & purification*; D012283:Rickettsia prowazekii / Q000302:isolation & purification; D012756:Sheep; D014437:Typhus, Endemic Flea-Borne / Q000453:epidemiology*; D014438:Typhus, Epidemic Louse-Borne / Q000175:diagnosis / Q000453:epidemiology*; D015047:Zoonoses