It is said “because of the new covid variants the French Public Health Service no longer recommends using fabric masks for protection from the more transmissible English, South African and Brazilian variants of covid 19 . Category 2 masks or fabric masks, only filter 70% while categories 1 such as surgical masks go up to 90%”.
Will this make you rethink about your masks?
Dr. Hilary Cass - report re trans.