Will Stone

Slammed by COVID-19, many U.S. hospitals have put off essential procedures. Delays are leading to consequences like heart attacks and sending people to emergency rooms to get care.

There are more patients and, in some places, not enough health care workers to go around. Research shows the crowding will impact care and increase mortality for all patients.

Researchers are looking at data from U.S. cases to determine if the variant causes milder disease. Even if the answer is yes, they say, rates of hospitalization could be high during the surge.

Despite pressure from health experts who advocated for adding a testing requirement, the agency is standing by its original guidance that a negative test is not needed for people who are fever-free and whose symptoms have improved.

Booster shots have been authorized for all U.S. adults, and the government is urging people to get them. But what if you've already had COVID and the vaccine? Here's what scientists say.

After declining most of the fall, new infections are up again in more than half of U.S. states, worrying experts about what the holiday season may bring.

You've seen the headlines about COVID boosters. But what does it all mean for you? Here's how to sort through the science and figure out if and when you need a booster and which one to get.

It's not clear why some people who get COVID-19 are plagued with symptoms for many months after being infected, but scientists are investigating what's behind these "long haul" cases.

Many Americans are still making sense of new CDC guidance that vaccinated people no longer have to wear masks in most indoor settings.