Re: Physicists Recommend Outdoor Mask Usage To Prevent COVID Infections (1858008) | |||
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Re: Physicists Recommend Outdoor Mask Usage To Prevent COVID Infections |
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Posted by AlM on Wed Oct 13 13:00:49 2021, in response to Re: Physicists Recommend Outdoor Mask Usage To Prevent COVID Infections, posted by Allan on Wed Oct 13 12:36:11 2021. But some viruses are much more infectious than others. |