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Comparing vector-host and SIR models for dengue transmission

机译:比较用于登革热传播的矢量宿主和SIR模型

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Various simple mathematical models have been used to investigate dengue transmission. Some of these models explicitly model the mosquito population, while others model the mosquitoes implicitly in the transmission term. We study the impact of modeling assumptions on the dynamics of dengue in Thailand by fitting dengue hemorrhagic fever (DHF) data to simple vector-host and SIR models using Bayesian Markov chain Monte Carlo estimation. The parameter estimates obtained for both models were consistent with previous studies. Most importantly, model selection found that the SIR model was substantially better than the vector-host model for the DHF data from Thailand. Therefore, explicitly incorporating the mosquito population may not be necessary in modeling dengue transmission for some populations.
机译:各种简单的数学模型已用于研究登革热传播。这些模型中的一些模型明确地对蚊子种群进行建模,而另一些模型在传播期内隐式地对蚊子进行建模。通过使用贝叶斯马尔可夫链蒙特卡洛估计,将登革出血热(DHF)数据拟合到简单的矢量宿主和SIR模型,我们研究了建模假设对泰国登革热动力学的影响。两种模型获得的参数估计值均与以前的研究一致。最重要的是,模型选择发现,对于来自泰国的DHF数据,SIR模型明显优于矢量宿主模型。因此,在对某些人群的登革热传播进行建模时,可能没有必要明确纳入蚊子的种群。

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