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  1. May 2020
  2. www.cdc.gov www.cdc.gov
    High SARS-CoV-2 Attack Rate Following Exposure at a Choir Practice — Skagit County, Washington, March 2020
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    1. edampf 20 May 2020

      Hamner L, Dubbel P, Capron I, et al. High SARS-CoV-2 Attack Rate Following Exposure at a Choir Practice — Skagit County, Washington, March 2020. MMWR Morb Mortal Wkly Rep 2020;69:606–610. DOI: http://dx.doi.org/10.15585/mmwr.mm6919e6external icon

      is:report lang:en COVID-19 CDC USA Washington State attack rate exposure choir practice superspreading symptomatic hospitalization death transmission rate proximity singing physical distancing social distancing gathering group isolation quarentine prevention
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    cdc.gov/mmwr/volumes/69/wr/mm6919e6.htm