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  • Quantifying SARS-CoV-2 transmission suggests epidemic control with digital contact tracing
    https://www.preventionweb.net/go/71143

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Quantifying SARS-CoV-2 transmission suggests epidemic control with digital contact tracing

Source(s):  Science

The newly emergent human virus SARS-CoV-2 is resulting in high fatality rates and incapacitated health systems. Preventing further transmission is a priority. The paper analyzed key parameters of epidemic spread to estimate the contribution of different transmission routes and determine requirements for case isolation and contact-tracing needed to stop the epidemic. The study conclude that viral spread is too fast to be contained by manual contact tracing, but could be controlled if this process was faster, more efficient and happened at scale. A contact-tracing App which builds a memory of proximity contacts and immediately notifies contacts of positive cases can achieve epidemic control if used by enough people. By targeting recommendations to only those at risk, epidemics could be contained without need for mass quarantines (‘lock-downs’) that are harmful to society. The paper discusses the ethical requirements for an intervention of this kind.



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  • Quantifying SARS-CoV-2 transmission suggests epidemic control with digital contact tracing
  • Publication date 2020
  • Author(s) Ferretti, Luca; Wymant, Chris; Kendall, Michelle et al.
  • Number of pages 12 p.

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