HIV đã tấn công loài người cách đây một thế kỷ
Virus gây bệnh AIDS đã bắt đầu hoạt động trong cơthể người cách đây khoảng 100 năm. Giả thuyết mới này do một nhóm nhàkhoa học Mỹ thuộc Đại học bang Arizona đưa ra, đăng trên tạp chí Naturengày 2-10, nếu là sự thật...
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