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February 21, 1986

Potential for Transmission of AIDS-Associated Retrovirus From Bisexual Men in San Francisco to Their Female Sexual Contacts

Author Affiliations

School of Public Health University of California Berkeley
School of Medicine University of California San Francisco

JAMA. 1986;255(7):901. doi:10.1001/jama.1986.03370070055011

To the Editor.—  In recent months, concern over the possibility of heterosexual transmission of the acquired immunodeficiency syndrome related-retrovirus (ARV) infection has increased.1,2 A possible chain of transmission for ARV infection from homosexual men to women would be through bisexual men. The potential for such transmission can be estimated from data available from the San Francisco Men's Health Study, a prospective study of the epidemiology and natural history of the acquired immunodeficiency syndrome (supported by National Institute of Allergy and Infectious Diseases contract NO1-A1-32519).3 Because the cohort is a probability sample, inferences can be extended to the entire population of single men in the study area. Of the 1,035 men aged 25 to 54 years in the cohort, 169 (16.3%) classified themselves as bisexual and 108 of them reported one or more female sexual partners during the previous two years. Table 1 indicates that 146 women were potentially