Science Health & Safety Does omicron pose a risk to the vaccinated? Too early to tell, epidemiologist says 4:50pm November 27, 2021 Science Health Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National 78th Tony Awards preview: What to expect on Broadway's biggest night by Scott Detrow Arts How to manage the flurry of text messages on any given day? Texting etiquette explained. 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate