Evaluates the carcinogenic risk to humans posed by infections with human immunodeficiency viruses types 1 and 2 (HIV-1 and HIV-2) and human T-cell lymphotropic viruses types I and II (HTLV-I and HTLV-II). Although emphasis is placed on carcinogenicity assessment, the monographs also provide richly detailed descriptions of the viruses' genetic and structural features, methods of detection, routes of transmission, geographical distribution of infection, clinical manifestations of non-neoplastic disorders, and currently available methods of treatment and prevention. For HIV infection, the...