title: Plaque assay for Q fever and scrub typhus rickettsiae.
abstract: The plaque assay procedure developed for spotted fever and typhus group rickettsiae is also appropriate for scrub typhus and Q fever rickettsiae. The plaque titers of suspensions of Rickettsia tsutsugamushi and Coxiella burnetii compared favorably with end points obtained by titrations in mice.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D003168:Complement Fixation Tests; D003381:Coxiella / Q000302:isolation & purification* / Q000472:pathogenicity; D003937:Diagnosis, Differential; D007274:Injections, Intraperitoneal; D008297:Male; D051379:Mice; D012285:Orientia tsutsugamushi / Q000302:isolation & purification* / Q000472:pathogenicity; D011778:Q Fever / Q000175:diagnosis*; D012612:Scrub Typhus / Q000175:diagnosis*