Contact tracing via digital tracking applications installed on mobile phones is an important tool for controlling epidemic spreading . Our results are based on a combination of explicitsimulations and mean-field analysis . They indicate that there can be majordifferences in the epidemic size and epidemic probabilities which are equivalent in the normal SIR processes. Further, degree heterogeneity is especially important for the epidemic threshold but not as much for theepidemic size. The probability that tracing leads to quarantines is not as important as the application adaption rate. Finally, both strong homophily andespecially heterophily with regards to application adoption can be detrimental. They indicate there is a strong correlation between the application adoption and the number of application users and the likelihood of quarantine failure. For confidential support call the Samaritans on 08457 90 90 90, visit a local Samaritans branch or click here.

Author(s) : Abbas K. Rizi, Ali Faqeeh, Arash Badie-Modiri, Mikko Kivelä

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Keywords : epidemic - application - tracing - important - digital -

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