![Marketplace tested over 20 different masks. Here's what will best protect you and others during the pandemic | CBC News Marketplace tested over 20 different masks. Here's what will best protect you and others during the pandemic | CBC News](https://thumbnails.cbc.ca/maven_legacy/thumbnails/570/167/CBC_MARKETPLACE_SEASON_48E05_thumbnail_v01_620x350_1819690563576.jpg)
Marketplace tested over 20 different masks. Here's what will best protect you and others during the pandemic | CBC News
![Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities | Scientific Reports Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities | Scientific Reports](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 | Scientific Reports
![Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology](https://news.mit.edu/sites/default/files/download/202007/MIT-Reusable-Mask-02-Press.jpg)