World Health Organization

A new World Health Organization study finds alarmingly high rates of HIV infection among transgender women. One of the researchers notes that the numbers are rooted in rampant discrimination.

Additional confirmed cases of the Middle East respiratory syndrome, or MERS, have led to more than 200 school closures and a minor public panic in South Korea.

The World Health Organization isn't ready for the next pandemic or international health crisis, so the agency's leader is calling for major reforms. But will the changes be enough?

The World Health Organization failed to respond quickly and effectively to the outbreak in West Africa. Now the agency is proposing a new structure. But change could prove difficult.

Angry mobs that targeted health workers. A single funeral that infected 365 people. No isolation wards in Liberia. These are some of the striking points in WHO's new analysis.