It is possible to become infected with HIV when a small wound is contaminated with HIV-contaminated blood. HIV is mainly caused by infection with the human immunodeficiency virus, or HIV, and is transmitted mainly through sexual contact, mother-to-child transmission, and blood transmission. There is approximately a 0.3% risk of infection from exposure to HIV-contaminated blood when there is a wound wound wound on the skin mucosa. Currently, clinical experts recommend that if you are accidentally stabbed by HIV-contaminated apparatus or come into contact with HIV-contaminated blood, you should be promptly treated with medication within a few hours, and it is recommended to go to a regular hospital to give treatment.