Alliance for Pandemic Preparedness

November 6, 2020

Network Characteristics and Visualization of COVID-19 Outbreak in a Large Detention Facility in the United States — Cook County, Illinois, 2020

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  • A network analysis of the movements of detained persons and staff members during an outbreak of SARS-CoV-2 in a Chicago jail found that the systematic identification and isolation of infected persons was likely effective at limiting transmission. The movement patterns and connections of 5,884 persons (65% detained persons and 35% staff members) at the jail were analyzed. The network analysis showed higher than expected likelihood of shared shifts between staff who had COVID-19, indicating possible transmission chains. In contrast, the lower than expected observed connections between detained persons with COVID-19 supports the effectiveness of isolation of infected detained individuals.

Kırbıyık et al. (Nov 6, 2020). Network Characteristics and Visualization of COVID-19 Outbreak in a Large Detention Facility in the United States — Cook County, Illinois, 2020. MMWR. https://doi.org/10.15585/mmwr.mm6944a3