About: Metapopulation modeling of COVID-19 advancing into the countryside: an analysis of mitigation strategies for Brazil

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Metapopulation modeling of COVID-19 advancing into the countryside: an analysis of mitigation strategies for Brazil
Creator	Cota, Wesley Costa, Guilherme Ferreira, Silvio
source	MedRxiv
abstract	Since the first case of COVID-19 was confirmed in Brazil at 19 February 2020, this epidemics has spread out throughout all states and at least 2142 of 5570 municipalities up to 30 April 2020. In order to understand this spreading, we investigate a stochastic epidemic model using a metapopulation approach. Simulations are supplied with real data for mobility, demography, and confirmed cases of COVID-19 extracted from public sources. Contagion follows a compartmental epidemic model for each municipality which, in turn, interact with each other through recurrent mobility. Considering the number of municipalities with confirmed COVID-19 cases, simulations can infer the level of mitigation (strong, moderate, or none) that each state is effectively adopting. Properties of the epidemics curves such as time and value of epidemic peak and outbreak duration have very broad distributions across different geographical locations. This outbreak variability is observed in several scales from state, passing through intermediate and immediate up to municipality levels. The epidemic waves start from several foci concentrated in highly populated regions and propagate towards countryside. Correlations between delay of the epidemic outbreak and distance from the respective capital cities are strong in several states, showing propagation towards the countryside, and weak in others, signaling strong influences of multiple centers, not necessarily within the same state. Our take home message is that the responses of different regions to a same mitigation protocol can vary enormously such that the policies of combat to COVID-19, such as quarantine or lockdown, must be engineered according to the region specificity but integrated with the overall situation. Even though we considered a single case of study, we believe that these ideas can be generalized to other countries with mainland scales and heterogeneous demographic distributions.
has issue date	2020-05-10(xsd:dateTime)
bibo:doi	10.1101/2020.05.06.20093492
has license	medrxiv
sha1sum (hex)	1be9ffe7181cce3ed15565730fbdee48eda547fb
schema:url	https://doi.org/10.1101/2020.05.06.20093492
resource representing a document's title	Metapopulation modeling of COVID-19 advancing into the countryside: an analysis of mitigation strategies for Brazil
resource representing a document's body	covid:1be9ffe7181cce3ed15565730fbdee48eda547fb#body_text
is schema:about of	named entity 'countryside' named entity 'Metapopulation' named entity 'COVID-19' named entity 'scientific community' named entity 'epidemic' »more»

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