Since September 1984, six cases of acquired immune deficiency syndrome (AIDS) and 11 cases of AIDS related complex (ARC) have been reported in Thailand. All people with AIDS were homosexual or bisexual men; two were Thai and the rest were European or American. Nine of the 11 people with ARC were homosexual or bisexual men, one was the female sexual partner of a man with AIDS, and one was a Thai man who had lived in the United States of America for several years, but denied having had any homosexual contact. Nine of the 11 people with ARC were Thai. In a survey in April 1985 at a resort area near Bangkok, antibodies to human immunodeficiency virus (HIV) (confirmed by western blot) were detected in 2.4% of 127 homosexual men and none of 77 female prostitutes. In a more extensive survey in October 1985, antibodies were detected in 0.8% of 720 homosexual men, but none of 2880 female prostitutes or 309 sexually active heterosexual men. HIV has been introduced into Thailand primarily by homosexual transmission. The public health policy of Thailand concerning AIDS is discussed.
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