A lobbying campaign driven by scarcity pushed the CDC to relax protective gear guidelines. Now tens of thousands of health workers are infected.
New studies show that the debate over how long the new coronavirus incubates – and how long it sheds after recovery – is far from settled.
The Zika virus already has spread swiftly across the island territory of Puerto Rico. And now, Miami is reporting its first cases in people infected by local mosquitoes. This week, Reveal takes us to the front lines of the battle against the disease.