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  1. Imágenes

    • How well do you know your face masks? - Optimum Medical
    • Men's Full Face Masquerade Party Mask
    • Custom Face Masks. Design Your Own Mask [Ready in 2 Days]
    • Rhinestone Face Mask Full Face Halloween Mask with Crystal | Etsy
    • 72 Free, Printable Halloween Masks for All Ages

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  2. www.who.int › novel-coronavirus-2019 › advice-for-publicWhen and how to use masks - World Health Organization (WHO)

    Take a 1-hour WHO course that tells you when, where and how to wear a mask in community settings. Find out more about the science of how COVID-19 infects people, and our bodies react, by watching or reading this interview. For specific advice for decision makers, see WHO’s technical guidance.

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      • Discard single-use masks after each use and properly...

    • 2019-nCov

      Si la COVID-19 se propage dans votre communauté,...

  3. www.mayoclinic.org › diseases-conditions › coronavirusHow well do face masks protect against COVID-19? - Mayo Clinic

    4 de nov. de 2023 · In areas that have many people with COVID-19 in the hospital, the CDC recommends wearing a face mask indoors in public. The CDC says that you should wear the most protective mask that you'll wear regularly, fits well and is comfortable. Respirators such as nonsurgical N95s give the most protection.

  4. www.hopkinsmedicine.org › coronavirus-face-masks-what-you-need-to-knowFace Masks: Types & When to Use | Johns Hopkins Medicine

    The CDC provides an overview of various types of masks and respirators. In general, the most important things you can do are to choose a mask that fits well, and wear it consistently and properly when it is recommended or in situations that you are required to do so.

  5. www.ncbi.nlm.nih.gov › pmc › articlesHow effective is a mask in preventing COVID‐19 infection?

    5 de ene. de 2021 · The effectiveness of a mask is explained from the perspectives of both exhalation isolation and inhalation protection. This review aims to provide the up‐to‐date scientific research outcomes on the typical masks that have provided one of the most effective and viable means in combating COVID‐19. Go to: 2.

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  7. www.who.int › news › itemWHO updates COVID-19 guidelines on masks, treatments and patient...

    13 de ene. de 2023 · Masks are recommended following a recent exposure to COVID-19, when someone has or suspects they have COVID-19, when someone is at high-risk of severe COVID-19, and for anyone in a crowded, enclosed, or poorly ventilated space.

  8. www.nature.com › articles › s41598/020/78986-9The COVID-19 pandemic masks the way people perceive faces

    21 de dic. de 2020 · The unprecedented efforts to minimize the effects of the COVID-19 pandemic introduce a new arena for human face recognition in which faces are partially occluded with masks. Here, we tested...