Immunization of man against epidemic typhus by infection with avirulent Rickettsia prowazeki (strain E); observations as to post-vaccination reactions, the relation of serologic response to size and route of infecting dose, and the resistance to challenge with virulent typhus strains.
D006801:Humans; D007154:Immune System Diseases; D007114:Immunization; D012283:Rickettsia prowazekii; D013180:Sprains and Strains; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology*; D014611:Vaccination
TYPHUS/immunology