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People who are immunocompromised continue to worry about COVID. A raft of products promise protection. Is there any evidence they can protect from infection or lessen severity of disease?

Paramedics and EMTs in New York City are struggling to respond to a skyrocketing number of 911 calls during the coronavirus pandemic. More first responders are getting sick themselves.

There are those among us who are needle-phobic. So what's the verdict on the vaccine? And are there any techniques for easing any potential pain?

Many are worried that Labor Day will be like the Fourth of July and Memorial Day, when travel and celebrations fanned the flames of viral spread, especially across the U.S. South and West.

A study released this week points to two passengers infected on a four-hour-plus flight. But there hasn't been a lot of documentation of transmission on planes. So how risky is flying?

A sharp drop in air travel due to the pandemic cuts into Delta's bottom line, but the airline says it will continue to block out middle seats to create more distance between passengers.

The newly detected strain — dubbed B.1.1.7 — appears to be more contagious. What precautions might be effective in trying to keep from getting infected?

The NPR/PBS NewsHour/Marist Poll found majorities of American sports fans think people should not play team sports indoors. A majority also believes doing so could spread the virus in their community.

It's happening more and more — you'll have to show proof of vaccination to enter an event or to travel. There's that flimsy paper card. And then there's the digital realm. What's the best option?

With COVID case counts falling and rising, testing is critical. But how many days after exposure should I test? And if I have symptoms but test negative, might the test not be accurate?