APOORVA MANDAVILLI

In an announcement on Friday, the head of the beleaguered agency said she would step down in June.

With the official end of the public health emergency next week, the agency will no longer report community levels of infection and will stop trying...

Older Americans and those with weakened immune systems, groups still particularly vulnerable to the virus, may receive additional shots of the reformulated vaccine, federal officials...

Current and former employees recall rising desperation as Trump administration officials squelched research into the new coronavirus.

Taking a common antibiotic after sex greatly reduces the chances of developing syphilis, chlamydia and gonorrhea among men who have sex with men and among...

The mosquitoes that transmit the disease dramatically increased their range over the last century as temperatures warmed, scientists reported.

In advance of a scientific meeting on Thursday, officials proposed offering new shots to Americans each fall, a strategy long employed against the flu.

Janssen Pharmaceuticals ended a global trial after independent experts determined the vaccine was not effective. But there are other possibilities in the pipeline, scientists said.

Family members and health care workers should take precautions, experts said.

Many expectant women have avoided the shots, unaware that the virus poses significant risks to the fetus — and to them.