Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

COVID-19 vaccine recommendations could be changing, according to the U.S. Food and Drug Administration. FDA leaders said on May 20 that clinical trials will be required to approve annual COVID-19 ...

Ian Haydon helped test Moderna's coronavirus vaccine last year. Now, he's helping test the tweaked version of that vaccine designed to fight a new, more contagious variant. "A year ago I tried the ...

Several states have issued their own guidance about COVID-19 vaccines since the FDA released its 2025-2026 formula approvals on Aug. 27, significantly restricting who can access the vaccines for the ...

If you’re unsure whether you can get a COVID-19 vaccine, you’re not alone. This year, the guidance has shifted. Instead of a simple “everyone should get it,” the CDC now recommends a more personalized ...