The CDC has updated their guidance on school openings, meaning some areas still closed are just about out of excuses:
A new @CDCMMWR finds K-12 schools using multiple prevention strategies can limit spread of #COVID19. Of 102 contacts tested after exposures to students & faculty with COVID-19, two got positive results likely due to in-person school spread. More: https://t.co/eLyBxnJvJx. pic.twitter.com/w3lHKrO3fu
— CDC (@CDCgov) March 19, 2021