A Nature research paper reveals that contact-tracing software has the capability to accurately assess COVID-19 transmission risk. The study, based on data from 7 million contacts, indicates that transmission risk increases linearly with time up to approximately 1 hour, with a consistent rise over many hours. Additionally, the risk appears to drop quadratically with distance. The findings provide quantitative, valuable insights into COVID-19 transmission dynamics and could potentially aid in better understanding and managing the spread of the virus.
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Digital measurement of SARS-CoV-2 transmission risk from 7 million contacts How likely is it to become infected by SARS-CoV-2 after being exposed? https://t.co/lImyQ5IG3t 1/3
Nature research paper: Digital measurement of SARS-CoV-2 transmission risk from 7 million contacts https://t.co/PhQmxFQU0N
Cool. Quantitative, useful information on covid transmission risk from contact-tracing app data. Transmission risk rises linearly with time up to ~1 hr (~1% risk), continues to increase over many hours Risk consistent with dropping approximately quadratically with distance 1/ https://t.co/MIu9icJTbR
Contact-tracing software could accurately gauge COVID-19 risk https://t.co/3SP34KUY1t