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)
FOX, J P ; MONTOYA, J A ; JORDAN, M E ; CORNEJO UBILLUS, J R ; GARCIA, J L ; ESTRADA, M A ; GELFAND, H M ; HERRERA, L
Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau, 1961-09, Vol.51, p.215