Here’s our chief nurse’s design for a mask that blocks more than 99% of airborne particles
April 20, 2020
Update: We have received numerous calls and emails from people around the country who want to see instructions for making the N95 replacement mask designed by University Health System’s chief nurse executive Tommye Austin.
We are sharing this design with the understanding it should only be used for non-commercial purposes, and we cannot guarantee that others using this design will have a mask as effective as the one created by Austin. Here’s how she sourced special materials, developed her design and verified her mask’s effectiveness.