A has the risk of infection, and HIV can only be transmitted through the exchange of body fluids, blood and semen between carriers or patients and healthy people's skin and mucosal wounds. The transmission of HIV through semen, blood and semen needs certain exchange. Generally, more than 65,438+0-2 ml of blood can constitute an infection condition. If a healthy person exchanges blood and body fluids with infected people or patients, or has unprotected sexual intercourse, it does not mean that he is absolutely infected with HIV, and it is possible to be infected.

It is difficult to draw a conclusion about this possibility. If the probability of not getting sick is zero, then the probability of getting sick is 100%.

It is suggested to go to the AIDS laboratory of the local CDC for testing after the A window period.