The best way to prevent HIV is to use a condom for sex and to never share needles or other injecting equipment (including syringes, spoons and swabs). Knowing your HIV status and that of your partner is also important.
For people with HIV, effective antiretroviral therapy significantly reduces the risk of passing HIV to sexual partners.If you're HIV negative, you may be able to take HIV prevention medication called pre-exposure prophylaxis (PrEP) medication to reduce your risk of getting the virus. PrEP is available for some people who are at high risk of HIV infection – for example, those whose partner is HIV positive. Read more about the PrEP trial to prevent against HIV infection.