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  1. Feb 2022
  2. www.zdf.de www.zdf.de
    Neue Studie: Wie gut schützen FFP2-Masken vor Corona?
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    1. jackiekrauss 14 Feb 2022

      Neue Studie: Wie gut schützen FFP2-Masken vor Corona? (2021, December 4). ZDFheute. https://www.zdf.de/uri/6f2f3223-fd82-4dc3-a6bf-24e8dc6eb648

      is:news lang:de COVID-19 face covering FFP2 mask infection risk wearing method KN95 mask unvaccinated transmission
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    zdf.de/nachrichten/panorama/corona-masken-studie-sicherheit-100.html
  3. Dec 2021
  4. twitter.com twitter.com
    ReconfigBehSci on Twitter
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    1. chaeyeonlim 23 Dec 2021

      ReconfigBehSci. (2021, December 9). RT @RachelLavin: As Omicron reality dawns, consider investing in better masks: "....Tight-fitting FFP2 masks provide 75 times better pro… [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1474030898551087113

      is:tweet lang:en COVID-19 variant omicron mask FFP2 protection tight-fitting public health
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    twitter.com/SciBeh/status/1474030898551087113