How do KF94s stack up against KN95s and other masks?

How do KF94s stack up against KN95s and other masks?

While some may assume that KN95 and N95 masks perform better due to the 1% difference, “all [KN95, N95, KF94] are effective at preventing COVID-19 infection and are considered high-quality masks,” Bernadette Boden-Albala, MPH, DrPH, director, and founding dean of the program in public health at the University of California, Irvine, told Verywell.