By Laurel Wamsley and Allison Aubrey, National Public Radio, April 3, 2020
Since the beginning of the global coronavirus pandemic, Americans have been told by the Centers for Disease Control and Prevention not to wear masks unless they are sick, caring for a sick person who is unable to wear one or working in health care.
Numerous reasons have been given: that they don't offer significant protection from germs, that the most effective models need special fitting in order to work, that regular people don't typically wear them correctly, that they'll give people a false sense of security and cause them to be lax about hand-washing and social distancing.
And most of all: that there aren't enough masks and respirators for the health-care workers who desperately need them so leave the masks to them.
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