Journalist Erika Check Hayden is in Sierra Leone tracking the Ebola epidemic. This is her diary.
Outbreaks and Epidemics
Doctors start clinical trials with the blood of survivors.
An interactive journey through the history of HIV/AIDS.
Documentary on the origins of HIV AIDS, and the promise of a cure, premieres around the world in advance of World AIDS Day, December 1, 2014.
Scientists deep in the African Congo have discovered forgotten clues that are rewriting the story of the global pandemic and revealing shocking facts about its origins.
A group of researchers from Belgium, the USA and the Congo embark on a journey back to the beginning of AIDS. A special compilation of video and interactive features from the film "The Bloody Truth."
The government crackdown on Russia's activist LGBT community is mirrored by a surge in the prevalence of HIV/AIDS.
Side by Side LGBT Film Festival organizers aren't daunted by tough new laws or sometimes violent opponents.
Neglect and denial. According to Russian public health activists that's the Russian government’s strategy for tackling the challenge of HIV.
South Africa faces an increasing battle against drug-resistant tuberculosis and reducing transmission is becoming a key component of disease control. This slideshow explores the problem in Cape Town.
Several African countries are preemptively treating children for malaria after trials found the measure drastically lowers deaths. Will on-the-ground results be as promising?
An army of 2.3 million health workers, most of them women, have helped to virtually eradicate polio in India.