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The Risk of Indoor Sports and Culture Events for the Transmission of COVID-19 (Restart-19)
Stefan Moritz; Cornelia Gottschick; Johannes Horn; Mario Popp; Susan Langer; Bianca Klee; Oliver Purschke; Michael Gekle; Angelika Ihling; Rafael Mikolajczyk.
Affiliation
  • Stefan Moritz; University Hospital Halle (Saale)
  • Cornelia Gottschick; Martin-Luther-University Halle-Wittenberg
  • Johannes Horn; Martin-Luther-University Halle-Wittenberg
  • Mario Popp; University Hospital Halle (Saale)
  • Susan Langer; Martin-Luther-University Halle-Wittenberg
  • Bianca Klee; Martin-Luther-University Halle-Wittenberg
  • Oliver Purschke; Martin-Luther-University Halle-Wittenberg
  • Michael Gekle; Martin-Luther-University Halle-Wittenberg
  • Angelika Ihling; University Hospital Halle (Saale)
  • Rafael Mikolajczyk; Martin-Luther-University Halle-Wittenberg
Preprint in En | PREPRINT-MEDRXIV | ID: ppmedrxiv-20221580
ABSTRACT
Nearly all mass gathering events (MGEs) worldwide have been banned since the outbreak of SARS-CoV-2 as they are supposed to pose a considerable risk for transmission of COVID-19. We investigated transmission risk of SARS-CoV-2 by droplets and aerosols during an experimental indoor MGE (using N95 masks and contact tracing devices) and conducted a simulation study to estimate the resulting burden of disease under conditions of controlled epidemics. The number of exposed contacts was <10 for scenarios with hygiene concept and good ventilation, but substantially higher otherwise. Of subsequent cases, 0%-23% were attributable to MGEs. Overall, the expected additional effect of indoor MGEs on burden of infections is low if hygiene concepts are applied and adequate ventilation exists. One Sentence SummarySeated indoor events, when conducted under hygiene precautions and with adequate ventilation, have small effects on the spread of COVID-19.
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Full text: 1 Collection: 09-preprints Database: PREPRINT-MEDRXIV Type of study: Experimental_studies / Prognostic_studies Language: En Year: 2020 Document type: Preprint
Full text: 1 Collection: 09-preprints Database: PREPRINT-MEDRXIV Type of study: Experimental_studies / Prognostic_studies Language: En Year: 2020 Document type: Preprint