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  1. Dec 5, 2022 · on Dec. 5, 2022, 10 a.m. Masking — along with social distancing, hand washing, and other so-called “non-pharmaceutical interventions” (NPIs) — proved very effective at limiting the spread of COVID-19, and simultaneously drove down rates of endemic diseases like colds, flu, RSV and others.

  2. Apr 15, 2021 · Given that masking of healthy populations for long periods of time is a new policy, it is astounding that the media and scientific journals decided within a matter of months that the efficacy of the practice could not be questioned or studied, nor its adverse effects discussed.

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  4. Jan 29, 2021 · As masks are potentially in close contact with the skin for a long period of time, adequate material and biocompatibility checks are strongly recommended. Relevant performance testing for fabric face masks includes barrier function testing, breathing resistance testing, color fastness testing, ear loop attachment strength, and restricted ...

    • Mingrui Liao, Huayang Liu, Xi Wang, Xuzhi Hu, Yuhao Huang, Xuqing Liu, Keith Brenan, Jared Mecha, Ma...
    • 10.1016/j.cocis.2021.101417
    • 2021
    • 2021/04
  5. Oct 7, 2022 · Based on the received answers, 83.3% of the survey respondents make a daily uninterrupted use of the face mask below 8 h, while 16.6% exceed 8 h every day. Only 22.4% of the participants...

  6. Jan 1, 2021 · The effect is greatest when 100% of the public wear face masks. They found that, with a policy that all individuals must wear a mask all of the time, a median effective COVID-19 R e of below 1 could be reached, even with mask effectiveness of 50% (for R 0 = 2.2) or of 75% (for R 0 = 4).

    • Jeremy Howard, Austin Huang, Zhiyuan Li, Zeynep Tufekci, Vladimir Zdimal, Helene Mari van der Westhu...
    • 10.1073/pnas.2014564118
    • 2021
    • 2021/01/01
  7. Jun 14, 2023 · Masks reduce respiratory viral spread from people with both recognized and unrecognized infections. 1,4,5 SARS-CoV-2, influenza, RSV, and other respiratory viruses can cause mild and asymptomatic...

  8. Feb 10, 2022 · Consistent use of a face mask or respirator in indoor public settings was associated with lower odds of a positive SARS-CoV-2 test result (adjusted odds ratio = 0.44). Use of respirators with higher filtration capacity was associated with the most protection, compared with no mask use.