World News National Health & Safety The omicron variant might have originated in someone with a suppressed immune system 4:56pm November 30, 2021 by Nurith Aizenman World Health National Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Arts Prosecution and defense present closing arguments in trial of Sean Combs by Scott Detrow National What this term says about where the Supreme Court is headed by Scott Detrow 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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