triple layer – Dr. Barry Dworkin

The new and improved triple-layer face mask! You do not have to throw out your old one. It still works. Plus, small unpublished study on T-cell response reports that it is still present six months after Covid infection.

November 4, 2020

Medical Mythbusting Commentary for November 4, 2020 Source:Study Finds Which Homemade Face Masks Are The Most Effective And Breathable T-cell response ‘lasts six months after Covid infection’ Reference:Ability of fabric face mask materials to filter ultrafine particles at coughing velocity

The new and improved triple-layer face mask! You do not have to throw out your old one. It still works. Plus, small unpublished study on T-cell response reports that it is still present six months after Covid infection.