CDC changes course on indoor masks in some parts of the US
The Centers for Disease Control and Prevention is changing course on some masking guidelines.
The agency announced new recommendations Tuesday that even vaccinated people should return to wearing masks indoors in parts of the U.S. where the coronavirus is surging.
Scientists cited new information about the ability of the delta variant to spread among vaccinated people.
The CDC also recommended indoor masks for all teachers, staff, students and visitors to schools, regardless of vaccination status.
The new guidance follows recent decisions in Los Angeles and St. Louis to revert to indoor mask mandates amid a spike in COVID-19 cases and hospitalizations that have been especially bad in the South.
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