With two COVID-19 vaccines available in the United States and more on the way, things are starting to look up. But virus mutations being detected around the world mean the vaccines may one day need updates to ensure they stay effective.
The Food and Drug Administration is already working on a playbook for how it could greenlight vaccine changes.
“So, we have been trying to think about this for a while because I think what we learned very early on as we started to see variants emerge was there was the potential that this could happen, right?” The FDA’s Peter Marks said during a webcast with the American Medical Association on Jan. 29. “Because of that, we’re not going to get caught off guard.”
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