In this Monday, July 19, 2021, photo, shoppers wear masks inside of The Cool store in the Fairfax district of Los Angeles. The Centers for Disease Control and Prevention reversed course Tuesday, July 27, 2021, on some masking guidelines, recommending that even vaccinated people return to wearing masks indoors in parts of the U.S. where the coronavirus is surging. (AP Photo/Marcio Jose Sanchez) **FILE**
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