National Health & Safety As omicron spreads, here's the best and most accurate way to use rapid antigen tests 4:58pm January 07, 2022 by Maria Godoy Health National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Georgia Gov. Kemp says he won't for the U.S. Senate in next year's midterm National Key ruling could finally end North Carolina court election 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate