Effectiveness of Face Mask or Respirator Use in Indoor Public
![](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm7106e1_MaskingEffectiveness_IMAGE_04Feb22_1200x675_1.jpg?_=64903)
This report describes face mask or respirator effectiveness in helping protect against COVID-19 infection.
![](http://publichealth.lacounty.gov/acd/ncorona2019/images/Thumbnail_wearamaskgraphic.png)
LAC, DPH
![](http://publichealth.lacounty.gov/acd/ncorona2019/images/Thumbnail_CDPHChildrenMasking.png)
LAC, DPH
![](https://www.sciline.org/wp-content/uploads/2021/01/cropped-Covering-Your-Face-During-the-COVID-19-Pandemic-2000x834.jpg)
Face masks during the COVID-19 pandemic - SciLine
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/12/Surgical_N95.jpeg/220px-Surgical_N95.jpeg)
N95 respirator - Wikipedia
![](https://aaqr.org/images/article_images/2020/feature/20-06-0275.png)
Addressing COVID-19 Spread: Development of Reliable Testing System for Mask Reuse - Aerosol and Air Quality Research
![](https://smartcdn.gprod.postmedia.digital/ottawacitizen/wp-content/uploads/2022/11/1107-oped-nili.jpg)
Kaplan-Myrth: Still masking? You are not alone
References Airport Lessons Learned from the COVID-19 Pandemic
![](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-020-72798-7/MediaObjects/41598_2020_72798_Fig1_HTML.png)
Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities
![](http://media.wired.com/photos/63e6b54269cf98bf3540428b/master/pass/DemeTech-N95-Respirator-Mask-Gear.jpg)
13 Best Face Masks We Actually Like to Wear (2023)
![](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs10900-023-01219-3/MediaObjects/10900_2023_1219_Fig2_HTML.png)
Mask Adherence and the Relationship Between Masking and Weather
![](https://i1.rgstatic.net/publication/375604129_Association_between_Face_mask_use_and_Risk_of_SARS-CoV-2_Infection_-_Cross-sectional_study/links/6552566b3fa26f66f4fde1f9/largepreview.png)
PDF) Association between Face mask use and Risk of SARS-CoV-2