title: [Immunization of man against typhus epidemics by injections of avirulent Rickettsia prowazeki (CEPAE). Brief analysis with observations during a period of 3 years and averages as to the occurrence of typhus between vaccinated individuals and the control population in the zone on the Andes Peruanos. (Distrito de Ilave, Departamento de Puno)].
mesh_terms: D006801:Humans; D007114:Immunization; D007267:Injections; D008297:Male; D012283:Rickettsia prowazekii; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology*; D014611:Vaccination; D014612:Vaccines
chemical_list: D014612:Vaccines
keywords: RICKETTSIA PROWAZEKII; TYPHUS/immunology; VACCINES