艾滋病體外存活時間究竟是多長啊？

有一次住酒店 坐在凳子上換褲子 擔心凳子上有艾滋病毒

HIV in the Environment

Scientists and medical authorities agree that HIV does not survive well in the environment, making the possibility of environmental transmission remote. HIV is found in varying concentrations or amounts in blood, semen, vaginal fluid, breast milk, saliva, and tears. (See below, Saliva, Tears, and Sweat.) In order to obtain data on the survival of HIV, laboratory studies have required the use of artificially high concentrations of laboratory-grown virus. Although these unnatural concentrations of HIV can be kept alive under precisely controlled and limited laboratory conditions, CDC studies have showed that drying of even these high concentrations of HIV reduces the number of infectious viruses by 90 to 99 percent within several hours. Since the HIV concentrations used in laboratory studies are much higher than those actually found in blood or other specimens, drying of HIV- infected human blood or other body fluids reduces the theoretical risk of environmental transmission to that which has been observed--essentially zero.

Incorrect interpretation of conclusions drawn from laboratory studies have alarmed people unnecessarily. Results from laboratory studies should not be used to determine specific personal risk of infection because 1) the amount of virus studied is not found in human specimens or anyplace else in nature, and 2) no one has been identified with HIV due to contact with an environmental surface; Additionally, since HIV is unable to reproduce outside its living host (unlike many bacteria or fungi, which may do so under suitable conditions), except under laboratory conditions, it does not spread or maintain infectiousness outside its host.

文章劃線部分指出，在高濃度的非生理實驗室情況下，在幾小時內非常高濃度的HIV活性會減少90%-99%，這種高濃度在自然界和生活中是不可能出現的。所以，日常生活中只要乾燥就可以殺死全部有感染力的HIV。

你這個不用擔心。關於艾滋病的存活期。大多數人可能都有誤解。