The vaccines now in use are based on the form of the virus that circulated at the beginning of the pandemic and are less effective against the omicron variant. New options are in the works.
Though findings are preliminary, many studies suggest that vaccinated people have good protection against the condition, although just how much is still up for debate.
"We believe additional information regarding the ongoing evaluation of a third dose should be considered as part of our decision-making for potential authorization," FDA officials said in a statement.
The Health Resources and Services Administration is distributing $66.5 million to community groups working across 38 states and Washington, D.C. to help with local vaccine outreach.
Military officials say that, after months of warnings, they have begun disciplinary actions. The Army has reprimanded 2,700 soldiers and said it will begin discharge proceedings in the new year.
A COVID-19 vaccine from a Canadian biotech firm has been found effective at preventing moderate to severe disease. It could soon become the first plant-based vaccine authorized for human use.
By the end of the month, workers in New York City must be vaccinated against COVID-19, but nationwide, federal vaccine rules are on hold due to numerous legal challenges.
Protein subunit vaccines work by injecting people with a tiny portion of a virus. In the case of the COVID-19 vaccine, that tiny portion is the spike protein that the coronavirus uses to enter cells.
In a process resembling a Powerball drawing, ping pong balls with the names of a dozen federal appeals courts were placed into a wooden raffle drum on Tuesday before a winner was drawn.
Singapore's government will stop covering the cost of COVID-19 treatment for those who are "unvaccinated by choice" next month, citing the strain they are placing on its health care system.
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.
There are a couple of big steps to get through before U.S. kids under 12 might be able to get the vaccine. Here's how the process works and when the shots could arrive.
Employers are firing workers for refusing to comply with vaccine mandates. They represent only a tiny fraction of overall employees, not even 1% in some workplaces. But it can add up to thousands.
The companies studied a 10 microgram vaccine dose in children 5 to 11, a third of the dose used for adults, to minimize side effects and because it still prompts a strong immune response.
San Francisco's only In-N-Out location still hasn't reopened for indoor dining. The restaurant violated public health requirements by allowing customers to enter without showing proof of vaccination.
A panel of experts voted to recommend that the Food and Drug Administration authorize a booster dose of the Johnson & Johnson COVID vaccine at least two months after the first shot.
Should people who get a COVID booster get a different vaccine from their original shot? The results of a highly anticipated study suggest that in some cases the answer may be yes.
