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Visual analytics of COVID-19 dissemination in São Paulo state, Brazil

, Danilo M. Eler, Rogério E. Garcia, Ronaldo C.M. Correia, Rafael M.B. Rodrigues
Published: 1 May 2021
Journal of Biomedical Informatics , Volume 117, pp 103753-103753; doi:10.1016/j.jbi.2021.103753

Abstract: Visual analytics techniques are useful tools to support decision-making and cope with increasing data, particularly to monitor natural or artificial phenomena. When monitoring disease progression, visual analytics approaches help decision-makers to understand or even prevent dissemination paths. In this paper, we propose a new visual analytics tool for monitoring COVID-19 dissemination. We use k-nearest neighbors of cities to mimic neighboring cities and analyze COVID-19 dissemination based on comparing a city under consideration and its neighborhood. Moreover, such analysis is performed within periods, which facilitates the assessment of isolation policies. We validate our tool by analyzing the progression of COVID-19 in neighboring cities of São Paulo state, Brazil.
Keywords: COVID-19 / Visual analytics / Risk assessment

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