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丙型肝炎（丙肝）是危害人类健康的传染病，与慢性肝炎、肝硬化、肝癌关系密切，大量资料证实血液传染是主要传播途径，但仍有近半数患者感染途径尚不明确。关于非经血传播问题，目前尚有争议，为进一步探讨这问题，我们进行以下研究。材料与方法一、研究对象１９９５年５月～?
Hepatitis C (HCV) is an infectious disease that endangers human health. It is closely related to chronic hepatitis, liver cirrhosis and liver cancer. A large amount of data confirm that blood transmission is the main route of transmission. However, the infection route in about half of the patients remains unclear. There is still controversy over the issue of non-blood transmission. To further explore this issue, we conducted the following research. Materials and methods First, the research object May 1995 ~?