Depending on which one you have, it turns out one of the oldest tools in our arsenal against COVID-19 may be no match for the Omicron variant, according to one of Ontario’s top doctors. He is talking ...

The droplet impacting on the mask surface is recorded at 20,000 frames per second. These time sequence images of droplet impingement on a single-, double-, and triple-layer masks show the total number ...

Anyone using a single-layer cloth mask to protect themselves from Omicron needs to upgrade, according to experts in Canada. The scientific director of Ontario’s Science Advisory Table, Dr Peter Jüni, ...

DENVER — In late December, state health officials found the first case of the B-117 coronavirus variant in Colorado. As the country races to get the vaccine in arms, doctors urge the public to double ...

I received many inquiries from readers after I wrote about making masks at home with my mother Sheila Khoo, 68, a sewing enthusiast who makes cloth masks to give to friends. She uses mostly 100 per ...