What are the main ways of HIV transmission?

AIDS transmission is the main route of sexual transmission, blood transmission and mother-to-child transmission. At this stage, sexual transmission is the main means of transmission of AIDS, but regular blood transfusion may also lead to AIDS infection, such as hemophilia patients need regular blood transfusion, in the process of blood transfusion in case of missed or in the window period of AIDS patients 'blood at this time will lead to AIDS transmission. Needle-sharing can also lead to HIV infection, as drug users and people with more sexual partners are more likely to be infected, and frequent unprotected sex can lead to HIV transmission.