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Face mask effectiveness: What science knows now
(www.cbsnews.com)
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this post was submitted on 30 Oct 2023
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This article covers that. In fact, the article I linked is the article you commented on.
Here's the part from the article.
"Early in the pandemic, some guidance from health professionals suggested that wearing a mask might actually lead to infection: A person might encounter a contaminated mask and then touch their eyes, nose, or mouth. But research in the ensuing years has shown that fear to be misplaced.
"There wasn't any evidence really that that happens," Marr said.
Marr said her team aerosolized the coronavirus, pulled it through a mask, and then examined how much virus survived on the mask. The study reported some viral particle remained on some cloth masks, but no virus survived on the N95s or surgical masks.
Marr's team also touched artificial skin to masks and looked at how many virus particles transferred to the artificial skin. No infectious virus transferred.
"I hope the study kind of shows that it's something we don't need to worry about as much as we were told," Marr said."