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Which Works Best? Medical Masks or N95 Respirators?

  • November 29, 2022

With the help of the medical records of more than 1,000 health care workers interacting directly with patients, researchers have concluded that medical masks provide little benefit over N95 respirators. Specifically, researchers said, “The primary outcome in the intention-to-treat analysis, RT-PCR–confirmed COVID-19, occurred in 52 of 497 (10.46%) in the medial mask group versus 47 of 507 (9.27%) in the N95 respirator group (HR, 1.14 [95% CI, 0.77 to 1.69]).” In subgroups...