Of the three HIV transmission routes (blood, sexual contact and mother-to-infant), intravenous injection of drugs accounted for 69.8 percent and heterosexual contact 6.9 percent.

• 资料表明，中国艾滋病传播包括3种途径，其中以经静脉吸毒感染艾滋病为主，占69.；8%25，经性接触传播占6