For oral medications that prevent new HIV infection to be effective, the patient must take certain actions, including ...

and gender nonbinary individuals who have sex with partners assigned male at birth in Argentina, Brazil, Mexico, Peru, South ...

It’s been called the closest the world has ever come to a vaccine against the AIDS virus. The twice-yearly shot was 100% ...

Colombia hosts the largest population of migrants and refugees from Venezuela, where more than 7.7 million have left since ...