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We present an evaluation of the effectiveness of manual contact tracing compared to bulletin board contact tracing. We show that bulletin board contact tracing gives comparable results in terms of the reproductive number, duration, prevalence and incidence but is less resource intensive, easier to implement and offers a wider range of privacy options. Classical contact tracing focuses on contacting individuals whom an infectious person has been in proximity to. A bulletin board approach focuses on identifying locations visited by an infectious person, and then contacting those who were at those locations. We present results comparing their effects on the overall reproductive number as well as the incidence and prevalence of disease. We evaluate them by building a new discrete time stochastic model based on the Susceptible Exposed Infectious and Recovered (SEIR) framework for disease spread. We conduct simulation experiments to quantify the effectiveness of these two models of contact tracing by calibrating the model to be compatible with SARS-CoV-2. Our experiments show that location-based bulletin board contact tracing can improve manual contact tracing.
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document_parses/pdf_json/b061fe5d99350205415040efe4c3c73d37f2b7f5.json
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A case for location based contact tracing
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