coronavirus pandemic January 18, 2022 10:11 am

The ‘Mask Nerd' Explains How to Pick the Right Mask

Aaron Collins, also known as @masknerd on Twitter, explains what you need to know about high-filtration masks like KN95s, KF94s and N95s, which are able to filter out viral particles and can help you stay safe amid the spread of the Omicron variant of COVID-19.

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