Analysis of lung culture of Rickettsia prowazedi E strain with regard to its capacity of increasing virulence in passages on the lungs of white mice.
D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D006168:Guinea Pigs; D008168:Lung; D008297:Male; D051379:Mice; D012283:Rickettsia prowazekii / Q000302:isolation & purification; D013045:Species Specificity