Nation Reusable respirators protect doctors and nurses against coronavirus. They aren’t in the national stockpile. April 5, 2020Donovan Slack and Dinah Voyles Pulver, USA TODAYComments Off on Reusable respirators protect doctors and nurses against coronavirus. They aren’t in the national stockpile. Reusable respirators protect against the coronavirus just as well as N95 face masks. But the feds didn't buy them.