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Physics > Physics and Society

arXiv:2006.02646 (physics)
[Submitted on 4 Jun 2020]

Title:Spatio-temporal characteristics of dengue outbreaks

Authors:Saulo D. S. Reis, Lucas Böttcher, João P. da C. Nogueira, Geziel S. Sousa, Antonio S. Lima Neto, Hans J. Herrmann, José S. Andrade Jr
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Abstract:After their re-emergence in the last decades, dengue fever and other vector-borne diseases are a potential threat to the lives of millions of people. Based on a data set of dengue cases in the Brazilian city of Fortaleza, collected from 2011 to 2016, we study the spatio-temporal characteristics of dengue outbreaks to characterize epidemic and non-epidemic years. First, we identify regions that show a high prevalence of dengue cases and mosquito larvae in different years and also analyze their corresponding correlations. Our results show that the characteristic correlation length of the epidemic is of the order of the system size, suggesting that factors such as citizen mobility may play a major role as a drive for spatial spreading of vector-borne diseases. Inspired by this observation, we perform a mean-field estimation of the basic reproduction number and find that our estimated values agree well with the values reported for other regions, pointing towards similar underlying spreading mechanisms. These findings provide insights into the spreading characteristics of dengue in densely populated areas and should be of relevance for the design of improved disease containment strategies.
Comments: 25 pages, 8 figures
Subjects: Physics and Society (physics.soc-ph); Populations and Evolution (q-bio.PE)
Cite as: arXiv:2006.02646 [physics.soc-ph]
  (or arXiv:2006.02646v1 [physics.soc-ph] for this version)
  https://doi.org/10.48550/arXiv.2006.02646

Submission history

From: Saulo Reis [view email]
[v1] Thu, 4 Jun 2020 05:22:48 UTC (6,600 KB)
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