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coronavirus FAQ

A poster in Kolkata, India, from peak pandemic days sends a message to mask up. Now that the official COVID-19 global emergency is no longer in effect, some folks are thrilled to stop masking — but others wonder if it's a good idea to keep up certain precautions. NurPhoto via Getty Images hide caption

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NurPhoto via Getty Images

It's COVID testing time at Incheon International Airport, west of Seoul, South Korea. Arrivals from China must now submit to a PCR test. Kim Jae-Hwan/SOPA Images/Sipa USA hide caption

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Kim Jae-Hwan/SOPA Images/Sipa USA

Pfizer's Paxlovid pills are considered the most effective treatment to prevent severe COVID. They're about to be sold in China. But they are reportedly underused in the U.S. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

The FDA says one home test is not enough if you've been exposed to someone with COVID or are experiencing COVID-like symptoms. That initial negative ... could turn positive a day or two later. Max Posner/NPR hide caption

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Max Posner/NPR

A positive result on a home COVID test. If you catch it once, can you catch it again? Turns out the answer is: Yes. Jakub Porzycki/NurPhoto via Getty Images hide caption

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Jakub Porzycki/NurPhoto via Getty Images

Journalists and politicians mingled at an afterparty following the White House Correspondents Dinner on April 30. Based on COVID cases among attendees at the main event, SARS-CoV-2 was mingling as well. Amanda Andrade-Rhoades/for The Washington Post via Getty Images hide caption

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Amanda Andrade-Rhoades/for The Washington Post via Getty Images

Some European countries, such as Spain, are making plans for the time they might be able to treat SARS-CoV-2 as an endemic disease — one that's always around but fairly predictable. But the World Health Organization cautions that the pandemic is not over. Above: Masked pedestrians in Barcelona, Spain, in July 2021. Joan Mateu/AP hide caption

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Joan Mateu/AP