Association between meteorological factors and the prevalence dynamics of Japanese encephalitis

Taotian Tu, Keqiang Xu, Lei Xu, Yuan Gao, Ying Zhou, Yaming He, Yang Liu, Qiyong Liu, Hengqing Ji and Wenge Tang

PLOS ONE, 2021, vol. 16, issue 3, 1-11

Abstract: Japanese encephalitis (JE) is an acute infectious disease caused by the Japanese encephalitis virus (JEV) and is transmitted by mosquitoes. Meteorological conditions are known to play a pivotal role in the spread of JEV. In this study, a zero-inflated generalised additive model and a long short-term memory model were used to assess the relationship between the meteorological factors and population density of Culex tritaeniorhynchus as well as the incidence of JE and to predict the prevalence dynamics of JE, respectively. The incidence of JE in the previous month, the mean air temperature and the average of relative humidity had positive effects on the outbreak risk and intensity. Meanwhile, the density of all mosquito species in livestock sheds (DMSL) only affected the outbreak risk. Moreover, the region-specific prediction model of JE was developed in Chongqing by used the Long Short-Term Memory Neural Network. Our study contributes to a better understanding of the JE dynamics and helps the local government establish precise prevention and control measures.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0247980

DOI: 10.1371/journal.pone.0247980

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