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A new COVID-19 variant on the rise: Expert tips for masking
Face Masks and Hearing Loss: Challenges and Solutions - Hebert Dental
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Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021
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A novel perspective approach to explore pros and cons of face mask in prevention the spread of SARS-CoV-2 and other pathogens - ScienceDirect
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Summary of Guidance for Public Health Strategies to Address High Levels of Community Transmission of SARS-CoV-2 and Related Deaths, December 2020
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