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- 04:56, 22 November 2024 AlexandraToombs talk contribs created page What s The Difference Between N95 And KN95 Masks (Created page with "A large study run in Bangladesh claimed that surgical masks, but not cloth masks, reduced symptomatic SARS-CoV-2 infections" by 0.08% (ARR), and only in people over 50. But a subsequent re-analysis of the study by statisticians found that there was in fact no benefit at all.<br><br>More than eight months into the pandemic, health care leaders are again calling for a coordinated national strategy to distribute personal protective equipment to protect health care workers a...")