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艾滋病是慢病毒疾病,感染后静止潜伏多年。这期间病毒携带者对其他人是潜在的传染源。艾滋病病毒最初在非洲、北美和欧洲流行传播,感染后七年内有
AIDS is a lentivirus disease that persists for many years after infection. During this period the virus carriers are potential sources of infection for others. The AIDS virus first spread in Africa, North America and Europe, within seven years of infection