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Modeling the effect of exposure notification and non-pharmaceutical interventions on COVID-19 transmission in Washington state

2021; Nature Portfolio; Volume: 4; Issue: 1 Linguagem: Inglês

10.1038/s41746-021-00422-7

2398-6352

Matthew Abueg, Robert Hinch, Neo Wu, Luyang Liu, William J. M. Probert, Austin Wu, P. R. Eastham, Yusef Shafi, Matt Rosencrantz, M. Dikovsky, Zhao Cheng, Anel Nurtay, Lucie Abeler‐Dörner, David Bonsall, Michael V. McConnell, Shawn O’Banion, Christophe Fraser,

COVID-19 and Mental Health

Abstract Contact tracing is increasingly used to combat COVID-19, and digital implementations are now being deployed, many based on Apple and Google’s Exposure Notification System. These systems utilize non-traditional smartphone-based technology, presenting challenges in understanding possible outcomes. In this work, we create individual-based models of three Washington state counties to explore how digital exposure notifications combined with other non-pharmaceutical interventions influence COVID-19 disease spread under various adoption, compliance, and mobility scenarios. In a model with 15% participation, we found that exposure notification could reduce infections and deaths by approximately 8% and 6% and could effectively complement traditional contact tracing. We believe this can provide health authorities in Washington state and beyond with guidance on how exposure notification can complement traditional interventions to suppress the spread of COVID-19.