From smallpox to swine flu, learn how disease pandemics have shaped human history and what we can expect, and prepare for, next.
More About Disease
Microbes threaten billions of people in a world weakened by poverty, war, and lack of clean water—and now, new infections may be emerging.
In Southeast Asia a virus that kills chickens is now also killing people. And in those deaths, public health experts hear the distant rumbling of a global catastrophe.
See what can travel faster than a jumbo jet, wipe out entire civilizations, and confound the world's top researchers.
Nearly half a billion people get malaria worldwide each year. More than a million die. After decades of neglect, the world is renewing its fight against the disease.
Volunteers risk their lives to vaccinate children in Islamic State-controlled territory in Syria. Video.