via The Scientist RSS https://ift.tt/zWowbnA The CDC has given the OK to lift indoor mask mandates in much of the US, and a growing number of states no longer require face coverings in schools. But most experts agree that masks slow school spread of SARS-CoV-2, and whether now is the right time to allow teachers and students to unmask is a matter of debate. https://ift.tt/KAVxdj5 March 01, 2022 at 01:38AM