More than 71 million people could see benefit from treatment with far lower costs than currently available.
A group of Brazilian doctors suspected the connection between Zika and microcephaly months ago, but had to persuade their government, and the world, that they were onto something real.
Health officials are warning that the international community needs to commit more to stem the Ebola outbreak before things get even worse
As authorities search for fellow passengers of an infected flyer, an American doctor fights for his life
Afraid of the growing number of deaths in the three countries gripped by Ebola, the Ivory Coast turns away its own
In at least two countries, higher elevations had more cases in warm years