National Health & Safety Boosters have been shown to restore some of the protection lost with omicron's rise 5:39pm December 21, 2021 by Michaeleen Doucleff Health Medical Treatments National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Arts 'Wild Card' with Jenny Slate Education Tips on how to deep read 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate