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CDC revises coronavirus guidance: It's airborne
UpTime:2020-10-06Count:8

ORLANDO, Fla. — It can linger in the air for minutes to hours -- that's the latest conclusion on COVID-19 from the Centers for Disease Control.


The CDC changed its coronavirus guidance Monday, saying 6 feet of separation may not always be enough.


"We're learning a lot more about this virus as the days progress," said Dr. Rajiv Bahl.


Bahl is an emergency medicine doctor in the Orlando area and says it's not uncommon that understanding a new virus includes some evolution of information.


"Because of the imminent threat of the virus, we're having to learn this quite rapidly," Bahl said.


This particular change and calling the virus "airborne" appears to confirm what many in the medical field suspected for some time: poorly ventilated indoor spaces are likely higher-risk environments for what's called aerosol transmission.


"The CDC was a little bit delayed in releasing this, just by the way the virus reacts and interacts with the environment, this makes sense," Bahl said.


Bahl said the new guidance doesn't change how he thinks about reducing the risk of infection, but it does underscore what's been advised for months now -- wearing masks, practicing good hygiene and keeping distance with perhaps more than 6 feet, if possible.


"That's definitely something you should do, however, still the recommendation is still 6 feet as a vast majority of cases are transmitted within that range," Bahl said.


CDC officials say it's still “much more common” for the virus to spread more immediately through larger respiratory droplets that are produced when somebody coughs, sneezes, sings, talks, or breathes.


Weeks ago, a team of researchers at the University of Florida released a finding of "strong evidence" that aerosol transmission of COVID-19 may be possible.


That study found virus particles more than 15 feet away from the patient, contained within a room.


Source: https://www.wesh.com/article/cdc-revises-coronavirus-guidance/34278359 

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