title: Observations on Rickettsia canada a recently described member of the typhus group rickettsiae.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001179:Arthropod Vectors; D002645:Chickens; D003168:Complement Fixation Tests; D005260:Female; D006168:Guinea Pigs; D051379:Mice; D011817:Rabbits; D012282:Rickettsia Infections / Q000453:epidemiology*; D012286:Rickettsia typhi / Q000254:growth & development*; D013987:Ticks