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1. www.webmd.com › covid › coronavirus-face-masksFace Mask for Coronavirus: Types, Best Filters, How to Make ...

   www.webmd.com › covid › coronavirus-face-masks

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   2024年5月16日 · What Are Face Masks? Face masks prevent disease droplets you cough, sneeze, or breathe from infecting others. They also help keep people who have COVID-19 or other illnesses from infecting you. As...

2. www.webmd.com › covid › coronavirus-transmission-overviewHow Coronavirus Is Transmitted: Here Are All the Ways It Can ...

   www.webmd.com › covid › coronavirus-transmission-overview

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   2023年12月19日 · This is the most common transmission. When an infected person coughs, sneezes, or talks, droplets or tiny particles called aerosols carry the virus into the air from their nose or mouth. Anyone ...