Alliance for Pandemic Preparedness

April 29, 2021

Detecting In-School Transmission of SARS-CoV-2 from Case Ratios and Documented Clusters

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  • [Pre-print, not peer-reviewed] A SARS-CoV-2 transmission model that accounts for a lower probability of symptomatic infection among children (21%) than adults (70%) found that only roughly 4% of in-school child-to-child transmission would be detectable with symptom-based contact tracing, even if all symptomatic cases are detected. The authors suggest that low in-school detection rates do not necessarily indicate lack of in-school transmission, nor rule out the possibility that schools can amplify community transmission of SARS-CoV-2.

Johnson et al. (Apr 28, 2021). Detecting In-School Transmission of SARS-CoV-2 from Case Ratios and Documented Clusters. Pre-print downloaded Apr 29 from https://doi.org/10.1101/2021.04.26.21256136