CDC Acknowledges Coronavirus Can Spread Via Airborne Transmission

The Centers for Disease Control and Prevention now says the coronavirus can be spread through airborne particles that can linger in the air “for minutes or even hours” — even among people who are more than 6 feet apart.In new guidance published Monday on its website, the agency also acknowledged that under certain circumstances, people have become infected by smaller particles that can linger in the air in enclosed spaces that are poorly ventilated.In a call with reporters Monday, Milton and his cosigners on the Science letter said the evidence suggests that airborne transmission is probably the dominant form of transmission – even in close-contact situations within 6 feet of an infected person.Marr and other experts said people should be wearing a mask whenever they are indoors with people outside of their household pod – even if they are standing more than 6 feet apart, or even in a situation where a plexiglass barrier is in place. Marr said masks are also a good idea outdoors if you are going to be in prolonged contact with people not in your household, even if you are more than 6 feet apart. It also means that “ventilation really is just so important,” said Kimberly Prather, an atmospheric chemist at Scripps Institution of Oceanography and lead author of the Science letter. In addition to improving ventilation indoors, the CDC said people should stay at least 6 feet away from others whenever possible, avoid crowded indoors spaces and – as always – wash their hands regularly.

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