Fox News host Laura Ingraham falsely claims restrictions on eating out are not supported by science

 Newswise
11-Dec-2020 3:10 PM EST, by Newswise

Fact Check By: Craig Jones, Newswise

Truthfulness: False

Claim:

You know what the biggest lie is, is that restaurants are spreaders of COVID. There's no science for that.

Claim Publisher and Date: Laura Ingraham on Fox News on 2020-12-08

On December 8th on Fox News, during a transition between her show and Sean Hannity, TV host Laura Ingraham wrongly claimed restrictions on eating out are not supported by science. The comment came after Hannity made reference to Ingraham’s on-air interview the previous day with a Los Angeles restaurant owner. The claim is inaccurate. There is evidence that restaurants and bars are among the most common places for the virus spread.

Recent research on Newswise from the American Institute of Physics (AIP) looks at the science of how COVID travels indoors and why it may affect the risk of contracting COVID.

Newswise — WASHINGTON, October 20, 2020 -- As the coronavirus has affected more than 30 million people globally, researchers have increasingly focused on the extent to which airborne respiratory droplets carrying the virus travel and contaminate the air after an infected person coughs.

While scientists have studied the properties of air at the mouth, such as volume, temperature, droplet distribution, and humidity, less is known about how these properties change as the cough cloud travels. In Physics of Fluids, by AIP Publishing, researchers estimate the evolving volume of the cough cloud and quantify the reduction in its volume in the presence of a face mask.

“We estimate this volume of the air, which may help to design ventilation of closed spaces and consequently reduce the spread of the disease,” said Amit Agrawal, one of the authors.

The researchers also examined the variation in temperature and humidity in the cough cloud as the determinant that impacts the droplet distribution in the cloud.

Using an analysis based on jet theory and experimental data from the literature, they found that it’s the first 5 to 8 seconds after coughing that matter for suspending the exhaled droplets in the air and, consequently, for the spread of the disease. After that time, the cough cloud typically starts to disperse.

The scientists found the cloud volume without a mask is about 7 times larger than with a surgical mask and 23 times larger than with an N95 mask.

“We found that anything that reduces the distance traveled by the cloud, such as a mask, handkerchief, or coughing into an elbow, should greatly reduce the region over which the droplets disperse upon coughing and therefore the chances of infection,” said Rajneesh Bhardwaj, another author.

Interestingly, the researchers found how hard a person coughs, which impacts the initial velocity and volume of coughing, does not affect the volume in the cough cloud when the person is not wearing a mask, although the initial volume is very important for a person wearing a mask.

The scientists determined the volume of a cough cloud varies as a cube of the total distance traveled by the cloud with the proportionality constant being 1 to 150. This formula will be helpful in determining the maximum number of people that can be accommodated in a hospital ward, and the minimum rate at which air in a room, elevator, cinema hall, car, aircraft cabin, or restaurant needs to be circulated to maintain freshness and reduce the chance of infection.

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Released: 11-Dec-2020 3:10 PM EST
Fox News host Laura Ingraham falsely claims restrictions on eating out are not supported by science
Newswise

On December 8th on Fox News, during a transition between her show and Sean Hannity, TV host Laura Ingraham wrongly claimed restrictions on eating out are not supported by science. The comment came after Hannity made reference to Ingraham’s on-air interview the previous day with a Los Angeles restaurant owner. The claim is inaccurate. There is evidence that restaurants and bars are among the most common places for the virus spread.

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