A drug addict (R) gets a cup of methadone which is used to ease drug addiction inside a local hospital in Nanjing, east China's Jiangsu province November 30, 2006. Thirty-seven percent of HIV infections were caused by drug users sharing contaminated needles and 28 percent were caused by unprotected sex, according to Hao Yang, deputy director of the ministry's Bureau of Disease Control, Xinhua News Agency reported. [Reuters]

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