Does it matter what sort of mask you wear? Yes. Different types of mask offer different levels of protection. Surgical grade N95 respirators offer the highest […]
COVID-19: How much protection do face masks offer? Get answers to your questions about face masks, including how to use them properly.By Mayo Clinic Staff Can […]
I’m a data scientist at the University of San Francisco and teach courses online in machine learning for fast.ai. In late March, I decided to use public mask-wearing as […]