https://www.youtube.com/watch?v=aXzl_tI8KeI
Hundreds of international scientists are urging the World Health Organisation to revise its guidelines about the airborne transmission of coronavirus.In an open letter, 239 experts from 32 countries point to new research that shows an infected person exhales airborne virus droplets when breathing and talking that can travel further than the current 1.5m social distance requirement.
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