Allison Aubrey

Power outages and snowstorms have suspended mass vaccination clinics in Missouri and Texas. Vaccine managers are working to reschedule appointments and to limit the impact of disruptions.

After getting one dose of the COVID-19 vaccine, some people are having trouble getting their second shot. Here's how to maximize the likelihood you'll get both doses, to be fully immunized.

Municipalities scramble to address 2nd dose challenges, more pregnant women getting vaccinated, and other COVID-19 updates.

Over 41 million doses of COVID-19 vaccines have been distributed in the U.S. Scientists say the pace must accelerate to help fight the more contagious variants that make vaccines less effective.

COVID-19 vaccines are not authorized for use in most young people, but Pfizer and Moderna are pursuing studies that could result in younger kids getting vaccinated by the summer.

How cautious should those who have received the COVID-19 vaccine be? And as more contagious strains gain a foothold, experts say it's important to maintain vigilance even as cases continue to decline.

Only 30% to 60% of nursing home staff have received their first dose of a COVID-19 vaccine, a recent survey finds. Some facilities are providing financial incentives to encourage more to get shots.

New COVID-19 cases are declining significantly. And amid widespread optimism that the vaccines can help end the pandemic, states scramble to get the shots into more arms, after a very bumpy start.

On Tuesday, it will be a year since the first case of COVID-19 was reported in the U.S. Now there are almost 24 million cases and nearly 400,000 people are dead.

As the pandemic rages on, the U.S. faces a dual challenge. To speed up delivery of vaccines to those who are waiting. And to convince people who are hesitant about the importance of being vaccinated.

There's concern of a post holiday COVID-19 surge in cases and deaths. Plus the vaccination program is off to a slow start, and the new more contagious variant is spreading across the U.S.

A new coronavirus strain in the U.K. has the world on alert. In the U.S., shipments of the second COVID-19 vaccine are arriving as the CDC issues guidance on who is next in line for shots.

Some people who have recovered from COVID-19 have lingering symptoms. A clinic at Johns Hopkins University is helping patients get to the bottom of their ongoing mental and physical struggles.

The COVID-19 vaccine is on its way. What do medical directors and state officials say about their plans? None of them expect to get all the doses they need, so how do they decide who gets it first?

Millions of doses of the COVID-19 vaccine are arriving at distribution centers across the country. The initial batch of doses will be limited.

The FDA will consider Pfizer's COVID-19 vaccine on Thursday. Officials could grant approval for its emergency use immediately, and the first doses could be given later this month.

The colder weather ahead in much of the country, along with the spread of cases after holiday travel, means the pandemic could get worse. Still, some public health experts say schools can open.

As cases surge, the FDA has approved two new antibody treatments that have shown promise in high-risk patients. Experts worry about Thanksgiving turning into a super-spreader holiday.

More than 11 million confirmed coronavirus cases have been recorded in the United States. The staggering milestone was reached only six days after the U.S. hit 10 million cases.

NPR correspondents discuss the latest on coronavirus cases around the U.S. and take a look at what the incoming Biden administration can and can't do about the surge during the transition.