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Over 200 scientists, including myself, signed a letter that was published in the journal Clinical Infectious Diseases on July 6, 2020 saying that COVID is not only spread by touch and droplets sprayed from the mouth and nose but, importantly, via a third route, too. The third infection pathway is in very tiny airborne particles of liquid and material, known as aerosols, that stay suspended in the air for a long time. If the virus attaches to these tiny particles, it can float on the air and spread much further.
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