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Although rapid tests have their limitations, they are an important public health tool, experts said, particularly if you know how to use them.

Since Jan. 14, D.C. has seen more than 4,000 breakthrough cases, roughly 2,500 of those were confirmed through testing and some 1,500 were self-reported cases. Overall breakthrough numbers are low: Less than 1% of vaccinated people in D.C. have developed a breakthrough case.

Experts provide their opinions on common, anxiety-producing return-to-work scenarios people are facing and their proposed solutions.

The past 19 months have pushed families to their limit as they balance the benefits and potential risks of a world altered by the pandemic.

Some Americans are now eligible for Covid booster shots — and you might be one of them.

September is back-to-school time, but this year, the return to school was more stressful than usual for some, thanks to the ever-present pandemic and the risk that classrooms would be culturing COVID-19.

People who get infected with the coronavirus can test positive for quite a while, but that does not mean they are still contagious to others.

The U.S. Food and Drug Administration on Wednesday authorized a booster dose of the Pfizer Inc (PFE.N) and BioNTech COVID-19 vaccine for those 65 and older, all people at high risk of severe disease, and others who are regularly exposed to the virus.

We still don’t have all the answers for why Covid-19 cases rise and fall, but there are some explanations.

New cases have been gradually dropping nationwide, although experts caution that new infections are still at a high rate and further decline will be slow.

As the U.S. commits to vaccine distribution, Indonesia has recorded more than 4 million COVID cases. More than 140,000 people have died. Initially, Indonesia turned to China for vaccine aid. But Nick Schifrin explores how the U.S. and its allies are trying to achieve vaccine inroads in China’s backyard.

COVID-19 deaths in the U.S. have climbed to an average of more than 1,900 a day for the first time since early March, with experts saying the virus is preying largely on a distinct group: 71 million unvaccinated Americans.