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Previously defined "risk factors" in homosexuals with Kaposi's sarcoma may not be causative of AIDS (acquired immune deficiency syndrome) but are an important tool in identifying segments of the homosexual population who are at increased risk for the development of AIDS and who may benefit from health education and surveillance efforts. The epidemiologic characteristics of such a group of homosexuals from a low incidence area (Pittsburgh, PA) are examined and several factors which may account for differences in incidence are briefly discussed.

AIDS surveillance and health education: use of previously described risk factors to identify high-risk homosexuals.