The Centers for Disease Control and Prevention on Tuesday reversed its mask guidance to specifically target areas of the country with the highest levels of the coronavirus and recommended that everyone in those areas, vaccinated or not, wear a mask as the delta variant continues to spread rapidly across the U.S.

The public health agency also recommended schools embrace universal masks, departing from guidance released earlier this month that suggested vaccinated students and staff were safe to go without.

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Source: ABC News, July 27, 2021.