| survey of three bacterial louse-associated diseases among rural andean communities in peru: prevalence of epidemic typhus, trench fever, and relapsing fever. | typhus and other louse-transmitted bacterial infections in peruvian sierra communities are known to occur but have not recently been assessed. in this study, 194 of 1,280 inhabitants of four villages in calca province in the urubamba valley were included. thirty-nine (20%) of the 194 volunteers had antibodies to rickettsia prowazekii, whereas 24 (12%) had antibodies to bartonella quintana and 2 against borrelia recurrentis. there was a significant correlation between the presence of infesting ec ... | 1999 | 10476755 |