Hi Lisy, I wore a face mask in the supermarket a couple of weeks ago, even though I wasn't sick. I asked my oncology nurses last monday , when I had chemo, if it was necessary to wear one. They said not really . I was surprised that none of them were wearing masks either. Bit of conflicting information ! Personally I think anything helps, mind you my facemask is a bit stifling and have not been able to get a lighter weight one.
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