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有关AIDS的医学研究已取得了一些进展,但仍有许多问题有待于进一步研究。进展之一是已发现AIDS的可能病因。1984年4月,美国国立肿瘤研究所的Robert Gallo及其研究小组称,他们分离和鉴定的HTLV-Ⅲ(一种逆转录病毒)(参阅本刊1985年第一期1-3页有关HTLV的报道)可能是AIDS的主要病因。他们报告,在86％有AIDS征兆的病人中和18％有条件致病菌感染的AIDS病人中,以及在37％青少年AIDS患者和30％有卡波济氏肉瘤的AIDS病人中,发现并分离出此病毒。但在临床上正常的同性恋供血者中仅发现4％有此病毒z在被检的115名临床上正常的异性恋供血者中未查出此病毒。与此同时,巴黎Jean-Claude Chermann领导的巴斯德研究所的一个研究小组也报道,
Some progress has been made in medical research on AIDS, but there are still many problems to be studied further. One of the advances is the possible etiology of AIDS. In April 1984, Robert Gallo at the National Institute of Cancer Research and his team said that they isolated and identified HTLV-III, a retrovirus, (see Issue 1, 1985, Issue 1-3, Reported) may be the main cause of AIDS. They reported finding and isolating in 86% of AIDS-afflicted patients and 18% of AIDS-infected patients with opportunistic pathogens, as well as in 37% of adolescent AIDS patients and 30% of AIDS patients with Kaposi’s sarcoma Out of this virus. However, only 4% of the clinically normal homosexual donors were found to have this virus. The virus was not detected in the 115 clinically normal heterosexual donors tested. In the meantime, a team from the Pasteur Institute, led by Jean-Claude Chermann in Paris,