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水蛭,俗名叫蚂蟥,能吸人畜的血,民间医生用来吸血治病,但殊不知它也可在人类中传播疾病。德国一个医疗小组曾发现水蛭能传播艾滋病。这是因为当水蛭叮咬人体时,吸入的血液中的艾滋病病原体在几个星期内都存活着,且具有传染性。当水蛭再叮咬别人时,可将艾滋病病原体传染
Leech, commonly known as leech, can attract human and animal blood, folk doctors used to blood treatment, but it is not known that it can also spread disease in humans. A German medical team has found that leeches can spread AIDS. This is because when the leeches bite the human body, the AIDS-causing pathogens in the inhaled blood are alive and contagious for several weeks. When leeches and then bite others, can be infected with AIDS