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艾滋病的感染途径目前可概括为:性接触、输血(血液制剂的输入及污染注射针的使用)和母儿感染。在日本被确诊的38名AIDS中,血友病患者24名,男性同性恋者11名,妓女2名,原因不明者1名。在其他各国,男性同性恋和妓女占绝大多数。相比之下,日本血友病者却占一多半。这是由于从美国输入的血液凝固因子Ⅷ,Ⅸ制剂被HIV 污染,通过输血而使AIDS 在日本蔓延。可以说这是极其重要的原因。关于血液制剂被HIV 污染的问题,1983年在美国就有报告说,由于输入第Ⅷ因子制剂使
The ways of HIV infection can be summarized as follows: sexual contact, blood transfusions (input of blood preparations and use of contaminated needles) and mother-child infections. Of the 38 AIDS patients diagnosed in Japan, 24 were hemophiliacs, 11 were gay men, two were prostitutes, and one was unknown. In other countries, gay men and prostitutes make up the majority. In contrast, Japanese hemophiliacs account for more than half. This is because blood coagulation factor VIII and IX preparations imported from the United States are contaminated with HIV, causing AIDS to spread in Japan through blood transfusions. It can be said that this is extremely important reason. Concerning the blood contamination of HIV, there was a report in the United States in 1983 that as a result of the administration of factor VIII agents