COVID-19 Outbreak at an Overnight Summer School Retreat - Wisconsin, July-August 2020

Ian W. Pray, Suzanne N. Gibbons-Burgener, Avi Z. Rosenberg, Devlin Cole, Shmuel Borenstein, Allen Bateman, Eric Pevzner, Ryan P. Westergaard

Research output: Contribution to journalArticlepeer-review


Extensive and rapid transmission of SARS-CoV-2 occurred at an overnight retreat where adolescents and young adults aged 14-24 years had prolonged contact and shared sleeping quarters. A single student, who received a negative SARS-CoV-2 RT-PCR test result <1 week before the retreat and experienced symptoms 1 day after arriving, was the likely source of introduction, resulting in infection of 76% of attendees. Similar rapid spread has been described among younger children in overnight camps (6,7) and adults in congregate settings (8,9).

Original languageEnglish (US)
Pages (from-to)1600-1604
Number of pages5
JournalMorbidity and Mortality Weekly Report
Issue number43
StatePublished - Oct 2020
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Health(social science)
  • Health, Toxicology and Mutagenesis
  • Health Information Management


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