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http://conacyt.repositorioinstitucional.mx/jspui/handle/1000/8576| Bidirectional contact tracing dramatically improves COVID-19 control | |
| William Bradshaw Ethan Alley Jonathan Huggins Alun Lloyd Kevin Esvelt | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| https://doi.org/10.1101/2020.05.06.20093369 | |
| https://www.medrxiv.org/content/10.1101/2020.05.06.20093369v2 | |
| Contact tracing is critical to controlling COVID-19, but most protocols only “forward-trace” to notify people who were recently exposed. Using a stochastic branching-process model, we show that “bidirectional” tracing to identify infector individuals and their other infectees robustly improves outbreak control, reducing the effective reproduction number (Reff) by at least ∼0.3 while dramatically increasing resilience to low case ascertainment and test sensitivity. Adding smartphone-based exposure notification can further reduce Reff by 0.25, but only if nearly all smartphones can detect exposure events. Our results suggest that with or without digital approaches, implementing bidirectional tracing will enable health agencies to control COVID-19 more effectively without requiring high-cost interventions. | |
| bioRxiv | |
| 14-07-2020 | |
| Preimpreso | |
| Inglés | |
| Público en general | |
| VIRUS RESPIRATORIOS | |
| Versión publicada | |
| publishedVersion - Versión publicada | |
| Aparece en las colecciones: | Materiales de Consulta y Comunicados Técnicos |
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| Fichero | Tamaño | Formato | |
|---|---|---|---|
| Bidirectional contact tracing dramatically improves COVID-19 control.pdf | 9.6 MB | Adobe PDF | Visualizar/Abrir |