Are masks really effective against COVID-19?

May 8, 2020
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We were told from the CDC earlier this year that only N95 masks will protect us from COVID-19, and now they are recommending we wear any type of mask or face covering to protect us. I understand that things develop and that scientists are always learning more, but I haven't heard anything that disputes their original findings (which was that the particles were too small to be protected by normal masks).



Is that evidence out there? Have I missed it? I feel that this is an unnecessary recommendation, and in some cases requirement, and it's bad for people with breathing problems, claustrophobia, etc.
 

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