COVID-19: How to Wear A Mask Correctly | COVID-19 can be spread by people who do not have symptoms and do not know that they are infected. Masks can help prevent people
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Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 | MMWR
![In accordance with CDC guidance, Metro Health recommends all persons wear masks in indoor settings to slow the spread of COVID-19 In accordance with CDC guidance, Metro Health recommends all persons wear masks in indoor settings to slow the spread of COVID-19](https://www.sanantonio.gov/Portals/0/EasyDNNnews/21095/thumbs/25799/15001500cthumbMasksIndoor.png)
In accordance with CDC guidance, Metro Health recommends all persons wear masks in indoor settings to slow the spread of COVID-19
![Community requirements that affect universal mask use are associated with changes in spread of COVID-19 Community requirements that affect universal mask use are associated with changes in spread of COVID-19](https://stacks.cdc.gov/view/cdc/103766/cdc_103766_DS1.jpeg)
Community requirements that affect universal mask use are associated with changes in spread of COVID-19
![Residents across the Delaware Valley react to CDC removal of indoor mask requirements - 6abc Philadelphia Residents across the Delaware Valley react to CDC removal of indoor mask requirements - 6abc Philadelphia](https://cdn.abcotvs.com/dip/images/11601249_022522-wpvi-jaclyn-face-masks-latest-video-vid.jpg?w=1600)
Residents across the Delaware Valley react to CDC removal of indoor mask requirements - 6abc Philadelphia
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Buried' CDC Guidance Emphasizes Universal Masking in Schools, Says Properly Protected 'Close Contacts' Needn't Quarantine – The 74
![COVID-19: General Information | Coronavirus Disease 2019 (COVID-19) | Airborne Disease Surveillance Epidemiology Program | MeCDC | Maine DHHS COVID-19: General Information | Coronavirus Disease 2019 (COVID-19) | Airborne Disease Surveillance Epidemiology Program | MeCDC | Maine DHHS](https://www.maine.gov/dhhs/mecdc/infectious-disease/epi/airborne/images/COVID-Mythbusters-Travel.jpg)