Seroprevalence of epidemic typhus and spotted fever [Fievre Boutonneuse] in febrile patients in Peshawar region of Pakistan

A study was conduced to determine the presence and prevalence of Rickettsia prowezekii and Rickettsia conorii infections, in cases of undiagnosed P.U.O in North West Frontier Province of Pakistan. Sera were obtained from 100 patents and were assayed for antibodies by Weil-Felix and Immunofluorescence antibody tests. Antibodies to Rick. prowezekii were found in 18 percent and to Rick. conorii in 13 percent of patients and also that there was no correlation between Weil-Felix and Immunofluorescent antibody tests