The U.S. is engaged in a massive effort to vaccinate the bulk of its population against COVID-19. But some states are working faster than others. See how yours is faring.
In the future, different circumstances will likely determine which vaccine or booster a person receives, based on their antibodies — and which variant is common in their region.
As California's attorney general, Xavier Becerra fought Trump-era restrictions on reproductive health. If confirmed, he'll navigate an even more difficult legal and political landscape.
Dr. Rochelle Walensky says scientists at the Centers for Disease Control and Prevention were "muzzled" and "diminished" by the Trump team, especially during the pandemic. She aims to fix that.
The Biden team wants to swiftly vaccinate people of color and others most vulnerable to COVID-19. But health centers are learning that speed and achieving racial equity don't always go hand in hand.
As the country faces another wrenching milestone, there are signs of hope that we may be beating back the virus. But a brighter future won't bring back precious lives lost.
In Washington, D.C., hospital staff vaccinated 1,750 public school workers in one day. It was a hard-won success amid a fragmented nationwide vaccination campaign fraught with challenges.
Scientists say the pandemic will only end in the U.S. when we achieve what's called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.
Researchers are trying to learn more about COVID-19 vaccines from original study participants. The quest is hampered because many people who first received a placebo shot are opting for the vaccine.
A community health center is now immunizing the local homeless population. But vaccination logistics, already complex, are compounded by the additional barriers in communication and transportation.
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.
Tattoo artists are unhappy about a new ban on blue and green pigments in Europe, while scientists say the basic science of tattoo ink is still fairly mysterious.
