| prevalence of human retroviral infection in quillabamba and cuzco, peru: a new endemic area for human t cell lymphotropic virus type 1. | an epidemiologic study was conducted to determine the prevalence of retroviral infections among people of qucchua origin in cuzco and quillabamba, peru. the study volunteers included individuals at low and at high risk for retroviral infections. each volunteer was interviewed to obtain clinical and epidemiologic data, and to identify risk behaviors for infection. the serum was tested for human immunodeficiency virus type 1 (hiv-1) and human t cell lymphotropic virus types 1/2 (htlv-1/2) by stand ... | 1997 | 9180608 |