In people who are at high risk, there is a medical technique that greatly lowers the likelihood of contracting HIV. Prep, also known as pre-exposure prophylaxis, is an antiretroviral medication that helps people who are HIV-negative to remain HIV-free even if they have sex with HIV-positive or unidentified partners without using a condom.



"High risk" in this context refers to having one or more sexual partners who are HIV positive. It may also refer to engaging in sexual activity in… Continue