The 13th International AIDS Society Conference on HIV Science (IAS 2025) is taking place in Kigali, Rwanda, and virtually, ...

The most accurate and reliable routinely used diagnostic HIV test is a laboratory test that can detect both HIV antibodies and p24 antigen. They are called combination or combo tests because they ...

The specificity of an HIV test is the proportion of people without HIV who will have a negative result. In other words, the specificity of a test refers to how accurate the test is when used by ...

Key points For unprotected vaginal intercourse with an HIV-positive partner with a fully suppressed viral load, the estimated risk of infection is zero. If HIV is not fully suppressed by effective ...

When a person is undetectable, condoms are not required to prevent HIV transmission, but being undetectable does not protect against other sexually transmitted infections. U=U applies to transmission ...

Professor Yvonne Bryson of the University of California Los Angeles described the new case at the conference and an accompanying press briefing. The middle-aged (post-menopausal) woman, a participant ...

Key points Being diagnosed with a serious illness like HIV can have a big emotional impact. People with HIV have higher rates of mental health problems than people in the general population. It’s ...

A man in southern California, dubbed the 'City of Hope patient', appears to be the latest person cured of HIV after receiving a stem cell transplant from a donor with a rare mutation, bringing the ...

South Africa is expected to begin piloting injectable pre-exposure prophylaxis (PrEP) in 2023, health financing mechanism Unitaid tells aidsmap. The demonstration study will be the first of many ...

The window period refers to the time after infection and before seroconversion, during which markers of infection (p24 antigen and antibodies) are still absent or too scarce to be detectable. Tests ...

Key points Randomised studies of PEP have not been done, but experience suggests it is effective in preventing HIV infection. PEP is most effective when it is started soon after exposure to HIV, when ...

Over half of funding for anti-gender actors in Europe appears to come from within Europe itself, with significant amounts of money also flowing from the US and the Russian Federation, according to ...