Load of unverified bollocks and it took two clicks and ten seconds to demonstrate that.Not that old chestnut again.
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Study shows cloth face coverings help protect both wearers and those nearby
A newly released Virginia Tech study examining the efficacy of common face coverings may help a concerned public breathe a sigh of relief.vtnews.vt.edu
Try harder.
The abstract doesn't make even the slightest mention of coronavirus or how it affects the risk of transmission.
The news article is full of unsubstantiated and uncited assumptions about how the virus spreads in aerosol droplets. If the droplet is that big then it isn't a ******* aerosol.
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