"Blood heads" and AIDS haunt China's countryside.
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D000163:Acquired Immunodeficiency Syndrome / Q000209:etiology / Q000517:prevention & control / Q000821:virology*; D002681:China; D015658:HIV Infections / Q000097:blood / Q000191:economics / Q000635:transmission*; D006801:Humans; D065227:Transfusion Reaction