Blog - Medical masks vs N95 Respirators for preventing Covid-19 among healthcare workers (4 January 2023)

Summary

In this blog, Paul E Sax, Contributing Editor at NEJM Journal Watch looks at a recent study into the effectiveness of medical masks compared to N95 respirators for preventing Covid-19 infection among healthcare workers. The author aims to help readers understand how to appraise research studies and decide how and whether to apply their findings. He defines some of the complex terminology used in the study and looks at its methods and findings from both a critical and supportive viewpoint.