The World Health Organization has been at the forefront of proposing how COVID-19 is transmitted, with the main theory being that one person becomes infected by taking in relatively large droplets expelled when someone with the virus coughs, sneezes, speaks, etc. However, 239 scientists from 32 countries signed a letter claiming that even smaller particles can carry the virus—so small that they’re essentially wafting through the air from one side of a room to another, …
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