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You can wash cloth, but that is not the very best filtering PPE material.
And you have to wash it every time you see somebody else, so that's some laundry if you are in hospital or a care home. EDIT: and the laundry basket has to be completely sealed otherwise you now have a virus loaded and shedding basket...
But they do seem to be OK with cloth masks in USA for going to supermarket/home use the "70% filtering is better than nothing/we really need the best stuff for hospitals" reasoning seems to apply.
And you can wash them. But you have to dump them in soapy water outside your home right away, not bring them in the house and take a clean one every time.
Can protective gowns and masks be washed and reused? Or is reusable PPE not a thing? Was it ever?