英语 英语 日语 日语 韩语 韩语 法语 法语 德语 德语 西班牙语 西班牙语 意大利语 意大利语 阿拉伯语 阿拉伯语 葡萄牙语 葡萄牙语 越南语 越南语 俄语 俄语 芬兰语 芬兰语 泰语 泰语 泰语 丹麦语 泰语 对外汉语
当前位置:主页 > TAG标签 > 抵制艾滋病
  • 天花疫苗能抵制艾滋病?(有声)

    Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vaccine might have offered partial protection against HIV. As smallpox was wiped out,...

    共1页/1条
听力搜索