National Health & Safety Education Chicago's mayor has called off school as teachers demand more COVID-19 testing 5:07pm January 05, 2022 by Sarah Karp Health Education 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 World News 50 years on, D.R. Congo commemorates boxing's 'Rumble in the Jungle' Health & Safety Environment National How parrot plumage gets its dazzling reds and yellows 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate