fit test

Wear the best-fitting N95 you can

It’s March, 2023. Most of the world has “moved on from COVID” and stopped wearing masks. Here at York University, the YUScreen system was dropped last month and many of the door signs about COVID have been removed. But the fact remains that there are still plenty of reasons to wear a mask* in public. […]

COVID-19 Resources

[Updates: Dec 23, 2021; Jan 31, 2022 ; Feb 16, 2022 ; March 17; 2022; April 28, 2022] This page is for general information on tools to help us fight COVID. I’ll focus primarily on respirators and air quality here and less on vaccines: Masks and Respirators section Air Quality Measurement (CO2, etc.) section HEPA […]