[Shichito fever in Izu Shichito Islands. 2. Isolation of an avirulent strain of R. tsutsugamushi and its characteristic (author's transl)].
D000818:Animals; D005260:Female; D008297:Male; D051379:Mice / Q000382:microbiology*; D008819:Mice, Nude / Q000382:microbiology; D012285:Orientia tsutsugamushi / Q000302:isolation & purification* / Q000472:pathogenicity; D012612:Scrub Typhus / Q000382:microbiology; D014774:Virulence