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尽管已报道男性同性恋行为是甲型肝炎的危险因素,但1982～1989年报告甲肝患者有同性恋行为的<10％(CDC 未公布资料,1990)。然而,1991年6月 CDC 收到来自美国、加拿大、澳大利亚几个城市的报告:1991年上半年男性同性恋者中甲肝有所增加。这篇报告分别概述了这些城市的资料。美国丹佛:1991年1～6月丹佛报告了24例同性恋和两性恋者甲肝病例。而1986～1990年每年同期仅报告0～3例。24名同性恋/两性恋甲肝患者中,16例住在中心城区,17％具有公认的甲肝危险因素,相应的成人异性恋甲肝患者中,57％具有这些因素。纽约市:1991年1～6月报告631例甲肝病例,
Although homosexuality has been reported as a risk factor for hepatitis A, homosexual behavior was reported in <10% of patients with hepatitis A from 1982 to 1989 (CDC unpublished data, 1990). However, in June 1991, the CDC received reports from several cities in the United States, Canada and Australia that there was an increase in hepatitis A among homosexual men in the first half of 1991. This report provides an overview of each of these cities. Denver, USA: Denver reported hepatitis A cases from 24 homosexuals and bisexuals from January to June 1991. The same period in 1986-1990 reported only 0 to 3 cases a year. Of the 24 homosexual / bisexual Hepatitis A patients, 16 (16%) were living in a downtown area, 17% had a recognized risk factor for hepatitis A, and 57% of those with corresponding adult heterosexual Hepatitis A had these factors. New York City: 631 hepatitis A cases were reported from January to June 1991,