Ascertaining the impact of public rapid transit system on spread of dengue in urban settings

The Science of the Total Environment
Mattia Sanna, Ying-Hen Hsieh

Abstract

Urbanization is an important factor contributing to the global spread of dengue in recent decades, especially in tropical regions. However, the impact of public transportation system on local spread of dengue in urban settings remains poorly understood, due to the difficulty in collecting relevant locality, transportation and disease incidence data with sufficient detail, and in suitably quantifying the combined effect of proximity and passenger flow. We quantify proximity and passenger traffic data relating to 2014-2015 dengue outbreaks in Kaohsiung, Taiwan by introducing a "Risk Associated with Metro Passengers Presence" (RAMPP), which considers the passenger traffic of stations located within a fixed radius, giving more weight to the busier and/or closer stations. In order to analyze the contagion risk associated with nearby presence of one or more Kaohsiung Rapid Transit (KRT) stations, we cluster the Li's (the fourth level administrative subdivision in Taiwan) of Kaohsiung based on their RAMPP value using the K-means algorithm. We then perform analysis of variance on distinct clusterings and detect significant differences for both years. The subsequent post hoc tests (Dunn) show that yearly incidence rate observed in the a...Continue Reading

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Citations

Jul 25, 2019·International Journal of Environmental Research and Public Health·Yebin ChenZhilu Yuan
Nov 17, 2020·Transactions of the Royal Society of Tropical Medicine and Hygiene·Narayan GyawaliGregor J Devine
Oct 29, 2020·Journal of the Royal Society, Interface·Rafael BomfimVasco Furtado
Aug 8, 2020·The Science of the Total Environment·Satya Ganesh KakarlaSrinivasa Rao Mutheneni
Dec 14, 2021·The Science of the Total Environment·Michael M ThomasJohn E Taylor

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Software Mentioned

QGIS
RAMPP
RStudio

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