The CDC updated its guidance to say the coronavirus spreads through small particles that can linger in the air, not only through close contact
The US Centers for Disease Control and Prevention updated guidance on its website to say coronavirus can commonly spread"through respiratory droplets or small particles, such as those in aerosols," which are produced even when a person breathes.
"Airborne viruses, including COVID-19, are among the most contagious and easily spread," the site now says.Previously, the CDC page said that Covid-19 was thought to spread mainly between people in close contact -- about 6 feet -- and"through respiratory droplets produced when an infected person coughs, sneezes or talks.
Coronavirus can float in air and WHO and CDC should tell people that, experts say"The current guidance from numerous international and national bodies focuses on hand washing, maintaining social distancing, and droplet precautions," scientists wrote in the letter, published in the journal Clinical Infectious Diseases.
"I'm very encouraged to see that the CDC is paying attention and moving with the science. The evidence is accumulating," Milton wrote in an email to CNN. He described a pre-print paper released in August -- in which scientists described culturing viable virus from air in a hospital -- as"an important addition to the reports of large outbreaks that were clearly a result of transmission by aerosols that travel more than 6 feet.
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