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 ...

CHENNAI: What sort of mask should we all wear, now that the government has put out an advisory? Speaking to the media on Tuesday, Health Secretary Beela Rajesh clarified that not all need to wear ...

BENGALURU : Face masks safeguards people against COVID infection, but many tend to reuse masks which reduce their efficacy, warn experts. Many people use triple-layer surgical masks as they are easily ...

As Alberta’s COVID-19 case numbers continue to rise, the province’s chief medical officer of health is weighing in on federal recommendations that a two-layer face mask isn’t adequate protection ...

Remember the first time you put on a face mask? I do. It was for a stay-at-home prep trip to Costco and it was an old respirator mask typically used by drywall installers. We’ve come a long way since ...