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For health experts who said COVID can spread by air from the beginning in thecoronavirus pandemic, One of the recent centers for the Dissease Control and Prevention (CDC) update was like a long time. On September 18, the CDC Covid guidelines were updated to recognize that theThe virus could be transmitted by the air. On September 21, however, the CDC indicated that the update was published "by mistake", and they removed the mention of transmission by air from the agency's website.

"A proposed draft amendments to these recommendations has been published by mistake on the official website of the Agency," the site now says. "CDC is currently updating its recommendations forAir transmission of SARS-COV-2 (The virus that causes Covid-19). Once this process is complete, the update language will be displayed ".

Before the most recent change, the direction of the CDC on how COVID is transmitted has been updated to include, "It is possible that Covid-19 can spread through the droplets and suspended particles that are formed. When a person who has Covid-19 cough, sneezes, sings, speaks, or breathe. It is further noted that the droplets and the suspended particles can remain suspended in the air and be sucked by others, and the travel distances beyond six feet (for example, during the choral practice, in Restaurants, or fitness classes). "

Kimberly Prather, PhD, Director of the National Science Foundation Center for the Impacts of Aerosols on the Chemistry of the Environment, Tweeted a screenshot of the CDC ofTips on air transmission before it is deleted. Now the site is limited to information on "person transmission to anyone", which occurs "by the respiratory droplets produced during the cough infected person sneezed, or speaks. »

The question of whether or notcoronavirus can spread in the air Has been a heated debate in the scientific community in recent months, with many health experts urge the CDC to recognize the possibility of transmission by air. In doing so, they argued, would move the focus on COVID prevention atimprove ventilation, Which could be the most important step to mitigate the propagation of the virus.

From September 18, CDC update seemed to make a decisive side, concluding that, "in general,Interior environments without good ventilation Increase this risk [from Covid Contracting]. This sentence, however, has been removed from the site.

This is not the first time in the recent history of the CDC rushed controversy with updates to its COVID guidelines. The Institute made the headlines in August when they changedTest Guidelines for Asymptomatic People Who has been in contact with a known covid support, saying that these people do not have to be tested. The update caused aTOLLED FROM HEALTH EXPERTS, Which worries this change could increase asymptomatic propagation.

On September 18, the CDC officiallyreverse this position Following the reaction. They now advise all those who have been in close contact with a sick person to be tested, even if they do not have symptoms. And for more insight from the CDC,The director of the CDC has a new coronavirus prediction trouble.