People who received a higher dose had stronger and longer-lasting immune responses.

Despite the introduction of prevention pills and proof that undetectable equals untransmissible, Americans are still ignorant about HIV.

The vaccine regimen tested in the Imbokodo trial was similar to the J&J COVID-19 vaccine, but an mRNA approach may hold more promise.

Over 94,000 people died of drug overdoses in the U.S. last year. New York activists urge the new governor to OK overdose prevention centers.

African-American clergy say the Ending the Epidemic plan has overlooked them.

Some men living with HIV still practice serosorting, but HIV-negative men on PrEP often were more likely to have HIV-positive partners.

New CDC campaign educates cisgender women about PrEP for HIV prevention.

Studies have found a link, although how frequent ejaculation may protect against prostate cancer is not well understood.