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Predicting the effects of COVID-19 related interventions in urban settings by combining activity-based modelling, agent-based simulation, and mobile phone data.
Müller, Sebastian A; Balmer, Michael; Charlton, William; Ewert, Ricardo; Neumann, Andreas; Rakow, Christian; Schlenther, Tilmann; Nagel, Kai.
  • Müller SA; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
  • Balmer M; Senozon AG, Zürich, Switzerland.
  • Charlton W; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
  • Ewert R; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
  • Neumann A; Senozon GmbH, Berlin, Germany.
  • Rakow C; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
  • Schlenther T; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
  • Nagel K; Transport Systems Planning and Transport Telematics, TU Berlin, Berlin, Germany.
PLoS One ; 16(10): e0259037, 2021.
Article in English | MEDLINE | ID: covidwho-1496524
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ABSTRACT
Epidemiological simulations as a method are used to better understand and predict the spreading of infectious diseases, for example of COVID-19. This paper presents an approach that combines a well-established approach from transportation modelling that uses person-centric data-driven human mobility modelling with a mechanistic infection model and a person-centric disease progression model. The model includes the consequences of different room sizes, air exchange rates, disease import, changed activity participation rates over time (coming from mobility data), masks, indoors vs. outdoors leisure activities, and of contact tracing. It is validated against the infection dynamics in Berlin (Germany). The model can be used to understand the contributions of different activity types to the infection dynamics over time. It predicts the effects of contact reductions, school closures/vacations, masks, or the effect of moving leisure activities from outdoors to indoors in fall, and is thus able to quantitatively predict the consequences of interventions. It is shown that these effects are best given as additive changes of the reproduction number R. The model also explains why contact reductions have decreasing marginal returns, i.e. the first 50% of contact reductions have considerably more effect than the second 50%. Our work shows that is is possible to build detailed epidemiological simulations from microscopic mobility models relatively quickly. They can be used to investigate mechanical aspects of the dynamics, such as the transmission from political decisions via human behavior to infections, consequences of different lockdown measures, or consequences of wearing masks in certain situations. The results can be used to inform political decisions.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Document Type: Article Main subject: Communicable Disease Control / Contact Tracing / COVID-19 Subject: Communicable Disease Control / Contact Tracing / COVID-19 Type of study: Determinantes_sociais_saude / Prognostic study / Risk factors Language: English Journal: PLoS One Clinical aspect: Prediction / Prognosis Year: 2021

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Full text: Available Collection: International databases Database: MEDLINE Document Type: Article Main subject: Communicable Disease Control / Contact Tracing / COVID-19 Subject: Communicable Disease Control / Contact Tracing / COVID-19 Type of study: Determinantes_sociais_saude / Prognostic study / Risk factors Language: English Journal: PLoS One Clinical aspect: Prediction / Prognosis Year: 2021
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