Pfizer's CEO says the vaccine maker has asked federal regulators to authorize boosters for 16- and 17-year-olds. Currently, only people 18 and over are eligible for a booster in the U.S.
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.
Boosters are available for higher-risk people who got the Pfizer vaccine. But what about people who got the one-shot Johnson & Johnson? Some doctors say they need an extra shot even more urgently.
In a previous "Coronavirus FAQ," we looked at the medical, practical — and ethical — implications of lying to get a booster or a shot for a kid under 12. And we asked you to share your views.
People with weakened immune systems who already got two doses of the Pfizer or Moderna COVID-19 vaccines can now get a third shot. But exactly who is eligible? Here's what we know so far.