HIV/AIDS thuong mang nhung trieu chung chinh: Sut can tren 10% can nang truoc day, di ta keo dai tren 1 thang, sot keo dai tren 1 thang, ho dai dang tren 1 thang. nhung trieu chung phu nhu: Ban do, ngua toan than, Noi mun rop toan than, Nhiem nam o hau, hong, keo dai hay tai phat, Noi hach it ra la hai noi tren than the (khong ke hach ben) keo dai tren 3 thang.