Study comparing surgical masks and N95 raises concern
A randomized trial indicating that surgical masks are not inferior to N95 masks in protecting healthcare workers from COVID-19 has drawn international criticism. The study’s lead author is John Conly, MD, an infectious disease specialist and professor at the Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada, and Alberta Health Services. The results …
Study comparing surgical masks and N95 raises concern Read More »