A sobering development that the CDC has been concerned about for some time.

CDC: 279 pregnant women with possible Zika virus in U.S. states and territories.

FDA calls June 2-3 meeting, CDC posts new guidelines on a hidden, slow-burning epidemic.

Zika clone research could explain why virus has exploded into an epidemic in the Americas. 

No formal CDC guideline against it, but air flow can draw dust and mold into room.

Can detect Zika RNA within seven days of onset of symptoms.

A first step toward requiring antibiotic stewardship programs to reign in resistant bacteria.

Hundreds of thousands of Zika cases expected in Puerto Rico