What do coronavirus variants mean for your masks?

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2021-07-07 02:44:55 -

What do coronavirus variants mean for your masks? Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said that when it comes to wearing two masks to protect against the coronavirus, it "makes common sense" that more than one layer of masking would be more effective.To get more news about medical mask stock, you can visit tnkme.com official website. There...

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