3D illustration of coronavirus on a colored background.
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The Centers for Disease Control and Prevention revised its coronavirus guidance Monday, acknowledging that it can sometimes spread through airborne particles that can “linger in the air for minutes to hours” and among people who are more than 6 feet apart.
The CDC cited published reports that demonstrated “limited, uncommon circumstances where people with COVID-19 infected others who were more than 6 feet away or shortly after the COVID-19-positive person left an area.”
“In these instances, transmission occurred in poorly ventilated and enclosed spaces that often involved activities that caused heavier breathing, like singing or exercise,” the CDC said in a statement. “Such environments and activities may contribute to the buildup of virus-carrying particles.”
The agency added that it is “much more common” for the virus to spread through larger respiratory droplets that are