Robert S. Klein, MD; Gerald H. Friedland, MD
In the United States, 140 822 cases of the acquired immunodeficiency syndrome (AIDS) in adults and adolescents were reported through July 1990 (1). Of these cases, 84 241 (60%) occurred in persons reported to have had male homosexual or bisexual contact, 30 256 (21%) in intravenous drug users, and 7175 (5%) in persons presumed to have acquired human immunodeficiency virus type 1 (HIV-1) infection through heterosexual contact. In only 4609 cases (3%) were persons thought to have acquired infection through exposure to blood products. Of these latter cases, 1258 occurred in persons with hemophilia or other coagulation disorders. In the
Klein RS, Friedland GH. Transmission of Human Immunodeficiency Virus Type 1 (HIV-1) by Exposure to Blood: Defining the Risk. Ann Intern Med. 1990;113:729–730. doi: 10.7326/0003-4819-113-10-729
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Published: Ann Intern Med. 1990;113(10):729-730.
HIV, Infectious Disease.
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