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Duke University study suggests not all masks are created equally - WCNC.com
Aug 09, 2020 27 secs
— Duke University researchers are working to answer a common question amid the COVID-19 pandemic: which face masks are the most effective?

A recent study had subjects wearing different types of masks and saying the phrase "stay healthy, people." The researchers then recorded the droplets that were left on each one of the masks. .

They didn't give droplets much room to escape, but still not as airtight as N95.

For the neck fleece, researchers said the number of droplets escaping was actually higher than if no mask were worn at all.

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