If the Food and Drug Administration authorizes use of the drug, called molnupiravir, it would be the first oral COVID-19 treatment that could be taken at home.
The second time Vanessa Quintero's family caught the virus, probably from her 8-year-old daughter, fewer people got sick. They and their doctors credit the protection of vaccination.
The World Health Organization is holding an emergency meeting on Friday to review the variant. While it's too soon to tell exactly how the new variant functions, virologists are rushing to learn more.
The first vaccine required for school was for smallpox, over 200 years ago. And for decades, all states have required that kids be vaccinated against contagious diseases like polio to attend school.
The requirements set by the Biden administration take effect Nov. 8 and cover approved vaccines, exceptions for the unvaccinated and protocols after arrival.
There are fresh logistical challenges, warns the White House's COVID czar in an exclusive interview with NPR. For example, young children will be getting a smaller dose delivered via smaller needles.
Firefighters and other municipal workers are protesting New York City's vaccine mandate, which takes effect Monday. If they don't have at least one dose by Friday, they will be put on unpaid leave.
A Senate panel recommends a number of other charges against the Brazilian president, including inciting an epidemic. But the chances that Jair Bolsonaro will be indicted look slim.
The U.S. has pledged to deliver 1.1 billion doses of COVID vaccines to countries in need. Billions more are needed. NPR interviewed the State Department's global vaccine coordinator to learn more.