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re: Revisionist History: for all u “proven to work” jacklegs
Posted on 7/12/20 at 11:21 pm to the808bass
Posted on 7/12/20 at 11:21 pm to the808bass
quote:
By contrast, surgical masks — those cheap, disposable, gauzy masks that often come in blue or green — are less uncomfortable. But Schaffner says the scientific evidence that "there might be a benefit for people in the community wearing [surgical] face masks is very, very meager. The general sense is perhaps, but they're certainly not an absolute protection." In other words, they do provide some benefit but they're far from foolproof.
Surgical masks are just a physical barrier that will protect you against "a visible splash or spray of fluid or large droplets," explains Raina MacIntyre, an infectious disease researcher and professor of global biosecurity at the University of New South Wales in Sydney who has studied the efficacy of face masks. These masks fit loosely on the face around the edges, so they don't completely keep out germs, and small airborne particles can still get through.
MacIntyre's research has shown that N95 respirators offer far superior protection. But in one study, she did find that family members who wore surgical masks when caring for a sick child at home had a lower risk of getting infected. But the benefit only occurred if people wore the masks "all the time when you are in the same room as the infected person," MacIntyre says — something many families in the study found difficult to do. "But if they did wear it, yes, they got protection."
MacIntyre notes that cloth masks — which people wash and reuse — are also common in Asian countries. She says there's no evidence to show they have any benefit, and her research suggests they "may actually be harmful," because infrequent washing and moisture retention can make cloth masks a breeding ground for pathogens.
NPR - Jan 2020
Posted on 7/12/20 at 11:40 pm to the808bass
Mosts of your posts are about masks protecting the wearer. Most of the arguments in favor of wearing masks for covid are about keeping the wearer from spreading to others.
Posted on 7/13/20 at 5:00 am to the808bass
Summary: that goddamn fricking idiot in the governor’s office needs to be dragged out of town and thrown on a garbage heap. frick Edwards.
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