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N95 Mask Shortage Brings Inventor Out Of Retirement In Search Of Safe Reuse Method

01:24

Emma Bowman

April 17, 2020

Used N95 masks are collected at Massachusetts General Hospital in Boston on Monday. (Boston Globe via Getty Images)

Related:

COVID-19 Has Caused A Shortage Of Face Masks. But They're Surprisingly Hard To Make
Doctors Say Hospitals Are Stopping Them From Wearing Masks

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