You can get or transmit HIV only through specific activities. Most commonly, people get or transmit HIV through sexual behaviors and needle or syringe use.
HIV is not spread easily. Only certain body fluids from a person who has HIV can transmit HIV:
Blood, Semen. Pre-seminal fluid, Rectal fluids, Vaginal fluids, Breast milk..
These body fluids must come into contact with a mucous membrane or damaged tissue or be directly injected into your bloodstream (by a needle or syringe) for transmission to occur....