[Experiments on the problem of the transovarian transmission of rickettsia].
D000818:Animals; D007303:Insect Vectors; D012285:Orientia tsutsugamushi; D008003:Phthiraptera; D012281:Rickettsia; D012283:Rickettsia prowazekii; D012284:Rickettsia rickettsii
INSECT VECTORS; LICE; RICKETTSIA PROWAZEKII; RICKETTSIA RICKETTSII; RICKETTSIA TSUTSUGAMUSHI