The White House and many Americans have pinned their hopes for defeating the COVID-19 pandemic on a vaccine being developed at "warp speed." But some scientific experts warn they're all expecting too much, too soon.

For everyone, after at least seven months of being mostly sequestered, the winter holidays pose an almost insurmountable temptation. Even public health and infectious disease experts recognize the dilemma.

As temperatures fall, people are spending more time indoors. That heightens the risk of the coronavirus spreading, but there are some simple steps you can take to help protect yourself and everyone around you.

As the pandemic drags on, following COVID-19 prevention guidelines can feel like more and more of a challenge.

Health experts recommend wearing masks in public and keeping your distance from others in most cases, but whether you should do both could depend on the situation.

U.S. health officials Wednesday redefined what counts as close contact with someone with COVID-19 to include briefer but repeated encounters.

There are several, and which one is best depends on how sick someone is.

The flu vaccine protects you from seasonal influenza, not the coronavirus — but avoiding the flu is especially important this year.

It turns out there's a common thread among many of these conditions, one that has been months in the making: chronic stress.

How long can you expect a COVID-19 illness to last? Short answer: It depends. But there are a number of factors to consider.