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A Classification of HTLV-III Infection Based on 75 Cases Seen in a Suburban Community¹

Department of Medicine, Division of Infectious Diseases and Immunology [M. H. K.], and Department of Pediatrics [S. G. P.], North Shore University Hospital, Manhasset, New York 11030; Laboratory of Tumor Cell Biology, National Cancer Institute, Bethesda, Maryland 20205 [M. P., R. C. G.]; and Department of Cell Biology, Litton Bionetics, Inc., Kensington, Maryland 20895 [M. G. S.]

Since 1981, 75 patients have been seen at our hospital with human T-cell lymphotropic virus type III (HTLV-III) infection. We have classified their clinical presentation into Groups 0 to 6. Groups 0 to 3 all have antibody to the M_r 41,000 protein of HTLV-III. Group 0 has no evident disease (9 patients), Group 1 has lymphadenopathy with or without exaggerated infection (16 patients), Group 2 has persistent lymphadenopathy with chronic hepatitis B surface antigenemia or profound hypergammaglobulinemia (7 patients), Group 3 has oral candidiasis with or without lymphadenopathy (7 patients). In Group 4 are acquired immunodeficiency syndrome (AIDS) adults or children (32 patients). Group 5 is a special classification for immunocompromised patients. Group 6 patients have lymphomas and M_r 41,000 protein antibody. Four children were classified separately. Three patients in Group 3 developed Group 4 disorders (AIDS). Four patients in Group 4 developed Group 6 disorders. HTLV-III infection spread in families (8 of 36), all from infected mothers to children. In 17 sexual partners, 6 were found to be infected. Five of 6 infected partners were homosexuals. We saw an inordinate number of transfusional AIDS (4 of 29) and 1 of 46 other disorders. Two infants also presented with severe intracranial defects, one with microcephaly and one with cranial calcifications and lucency. HTLV-III is spreading with alarming speed.