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People who reported always wearing a mask in indoor public settings were less likely to test positive for COVID-19 than people who didn't
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February 4, 2022
Source: MMWR Recomm Rep. 2021 Dec 17;70(6):1-16. -
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Description:Wearing a mask lowered the odds of testing positive;
llustration accompanying: Andrejko KL, Pry JM, Myers JF, et al. Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021. MMWR Morb Mortal Wkly Rep. ePub: 4 February 2022.
mm7106e1_MaskingEffectiveness_IMAGE_04Feb22_1200x675_1-medium.jpg?_=96372
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