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  1. Apr 4, 2020 · If everyone wears a mask, individuals protect one another, reducing overall community transmission. It could even remind people not to touch their faces after touching potentially contaminated ...

    • Hector Chapa
  2. May 25, 2021 · Their reasons extend beyond their health. Masks have given some an unexpected reprieve from social expectations in addition to helping people avoid everything from colds to Covid-19. When federal ...

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  4. Jul 30, 2020 · DO wear a face mask indoors around people who are not members of your household. (Everyone 2 years of age and older.) DO wear a mask outdoors when you expect to be around others — the safest option is to wear a mask, even when briefly passing by others (e.g., running or walking by someone on the sidewalk). (Everyone 2 years of age and older.)

    • Masks offer no protection to the wearer. Claims: Masks are not an effective way of protection from the new coronavirus, only N95 are, and masks have disclaimers saying they cannot prevent someone from acquiring the new coronavirus.
    • Evidence is lacking. Claim: There is no scientific evidence to say that masks are effective. Prof. Trisha Greenhalgh from the University of Oxford in the United Kingdom has voiced her support about using face masks in several prominent research journals, such as The BMJ.
    • Masks may increase risk of infection. Claim: Masks can become contaminated very quickly, and every time the wearer breathes in, they inhale contaminants.
    • Masks might harm the wearer. Claim: Masks limit oxygen intake and increase carbon dioxide (CO2), and they increase the potential risk of CO2 poisoning.
  5. By ScienceAlert Staff. (Rattankun Thongbun/iStock/Getty Images) Face masks help reduce the transmission of SARS-CoV-2 by interfering with the spread of virus-laden droplets ejected from the nose and mouth. Recommendations on the use of masks have varied over the course of the pandemic, depending on available data on the virus 's transmission.

  6. Aug 3, 2021 · But the new CDC guidance issued in late July says that vaccinated people should “wear a mask indoors in public if you are in an area of substantial or high transmission.” Even where ...

  7. Apr 18, 2022 · When – and Why – to Still Wear a Mask. As coronavirus infections tick up across the U.S., there is a lot of confusion about if, and when, to wear a mask. Here’s what you need to know → ...

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