Hybrid' masks are among the safest homemade options As a general rule, mask fabrics should be woven as tightly as possible. Fabrics with higher thread counts are better at filtering particles.

The Bureau of Indian Standards under the health ministry issues guidelines for face mask standards, mainly focussing on N95 ...

Onishi, a specialist in environmental epidemiology, tested numerous types of masks to ascertain which ones are effective in preventing infection from COVID-19. Non-woven masks which passed ...