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Important developments in the pandemic. |
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Your questions, answered
“What additional protection does a face shield provide if I’m also wearing a mask (e.g., on a plane)?" — Laura in D.C.
There hasn't been much research on the benefits of face shields for the general public, but many experts believe they offer at least some protection against covid-19 when worn together with a face mask.
Advocates for face shields assume that a sheet of plastic wrapped around your head can physically block infectious droplets from landing in a facial orifice — which is believed to be the main way the virus spreads. But until proper studies are conducted, it's impossible to be sure they're really helping . “It likely has a benefit. The benefit is not very well quantified,” Emily Sickbert-Bennett, the director of infection prevention at the University of North Carolina Medical Center, told The Post.
The Post interviewed one of those authors, Eli Perencevich, earlier this month. He cautioned that a shield won't guarantee you're protected from infection, but nevertheless recommended wearing one along with a mask the next time you fly.
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Today’s top reads
Find more stories, analysis and op-eds about the outbreak on our coronavirus page, including:
- Analysis: The number of lives Trump claims he has saved from covid-19 has swelled as the death toll has grown
- ‘Revenge travel’ is the phenomenon that could bring back tourism with a bang
- Maryland governor expands mask order, requiring face coverings in commercial buildings and outdoors
Photo essay ● By Kenneth Dickerman and Maxim Babenko ● Read more »
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