Xet nghiem combi I thang thu 8 chi so la 0.47 co the co nhieu tieu Chung cua hiv .rat so lay cho nguoi Khac .chi so xet nghiem la 0.144 thang thu 2 .thang thu 3 la 0.17 .thang thu 6 la 0.24 .thang thu 8 la 0.46 xin duoc tu van