By Meg Wingerter mwingerter denverpost. More in News. Post was not sent - check your email addresses! HUANG: A lot of schools and restaurants and office buildings have been thinking about ways to improve airflow. But when the public health guidance doesn't specifically address airborne transmission, it leaves local health authorities on their own making judgment calls.
And just briefly worth noting, Pien, this is not the only guidance the CDC has walked back recently. Last Friday, they reversed some controversial testing guidance they posted in August around whether people without symptoms should ever be tested.
The answer is yes. We've also seen reports of political operatives trying to insert themselves into CDC science papers trying to spin public health messages to make the president's pandemic response look better. And while CDC says this aerosols guidance was a draft that was posted by mistake, it's yet another very public and visible reversal, which doesn't help the agency establish the public trust that's really needed right now.
Contact Stephanie M. Lee at stephanie. Want to support our journalism? Become a BuzzFeed News member. Linsey Marr linseymarr. As a result, the AC unit recirculated the same unfiltered air for longer periods of time. The other six wards had different AC systems that refreshed the air regularly. Viral RNA was found inside the dust filter of the shared living room air conditioners and in four filters from three of eight ventilation units.
More coronavirus studies show the risk of COVID spread through the air, further proving that aerosol transmission should be a serious concern. A study from China showed that air exhaled by COVID patients could contain high viral loads and that breathing can play a role in coronavirus transmission.
A separate study from the Netherlands highlighted the importance of proper ventilation in helping to limit the spread of the virus. Tags: coronavirus , covidJul 11, · Make the indoors more like the outdoors: "You limit aerosol transmission by increasing ventilation and increasing air circulation — by opening a window, putting on a fan and just moving the air.