Worries about waning immunity and talk of COVID booster shots has some Americans checking their antibody levels to see if they're protected. But scientists warn blood tests don't tell the full story.
The pandemic has meant many kids have put off doctor visits and recommended shots. Experts worry that means some pockets of the U.S. are now more vulnerable to outbreaks of measles and meningitis.
Immediately after the Food and Drug Administration authorized Pfizer's vaccine, the company delivered fewer doses than its government contract projected. Federal officials say they didn't know why.
Psychiatrist Anna Lembke's new book explores the brain's connection between pleasure and pain. It also helps explain addictions — not just to drugs and alcohol, but also to food, sex and smartphones.
The FDA announced the Pfizer vaccine is the first in the U.S. that is now fully approved. Here's what that means for vaccine mandates and convincing vaccine-hesitant people to get vaccinated.
In a state with the nation's second lowest rate of vaccination against the coronavirus, a jump in the number of calls to poison control has prompted warnings about ingesting the drug ivermectin.
The approval replaces the emergency use authorizations granted last December and could make it easier for employers, the military and universities to mandate vaccination.
FDA gives full approval to Pfizer's COVID-19 vaccine, a highly anticipated move that could give the nation's vaccination campaign a badly needed boost.
Starting treatment for addiction in the emergency room greatly improves the chances recovery will last, experts say. Cutting red tape, hiring advocates and Uber vouchers can all make a difference.
As the first Black transgender woman to serve in this capacity, Tori Cooper says she is eager to advocate on behalf of all transgender and non-binary people living with HIV.
The lab has access to a high-security facility that Pfizer needed to prove its COVID-19 vaccine was working. Now the scientists there are testing the vaccine's effectiveness against viral variants.
If all goes to plan, Americans who got Pfizer or Moderna shots can get a third dose eight months after their last jab. Here's why health officials think you'll need one.
Mask mandates and other interventions can help stop a surge, even where vaccination rates are low, say scientists who've reviewed states' data. When the measures start and how long they last matters.
A COVID-19 vaccine for children younger than 12 is not yet available, but research is well underway and the first shot for some kids in this age group is expected in the fall, doctors say.
The sponsor of 4-H clubs nationally is tapping its respected roots in rural communities to promote COVID-19 vaccines. But it won't be easy, locals say. Start with trusted local voices — and listen.
