Do we dare question the authority of those governors who demand their subjects wear masks? What does the science report? The British Medical Journal in April 2015 reported rates of infection of health ...

A recent study out of Canada shows wide disparities in the effectiveness of different types of masks and suggests ventilation improvements can do better than common cloth and surgical masks in ...

With the spiraling coronavirus outbreak numbers in cities and states across the country, U.S. health officials are once again urging people to wear a mask indoors in public, regardless of their ...

TORONTO, Ontario (CTV Network) — A recent study from engineering researchers in Ontario has found that high-efficiency masks are up to six times better at filtering aerosols compared to more commonly ...