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Seasonality on the life cycle of Aedes aegypti mosquito and its statistical relation with dengue outbreaks

机译:埃及伊蚊生命周期的季节性及其与登革热暴发的统计关系

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摘要

Aedes aegypti is the most common and important vector that transmits dengue disease. It has been observed that its abundance is one of the main factors influencing dengue incidence and hence the importance of studying its population dynamics. By means of a dynamical model, in this work, we study the effects temperature and precipitation in the abundance of the mosquito Aedes aegypti. We also analyze the correlation between mosquito and dengue outbreaks using historical data of 8 Mexican regions and the role of diapause in seasonality outbreaks. We found that the joint action of different mechanisms can enhance the mosquito abundance, but also inhibit it when they act in an asynchronous way. For the studied regions, the seasonality of the low temperature rather than mean temperature is the main driving force promoting mosquito outbreaks and hence dengue outbreaks. We conclude that this simpler model rather than more complex dengue models can also be used to predict the risk of dengue outbreaks with good accuracy. In addition to this, the model can be used to discover the underlying mechanism of dengue outbreaks in different regions and thus help to apply targeted control measures.
机译:埃及伊蚊是传播登革热疾病的最常见和最重要的媒介。已经观察到,它的丰度是影响登革热发病率的主要因素之一,因此是研究其种群动态的重要性。通过一个动力学模型,在这项工作中,我们研究了温度和降水对埃及伊蚊的影响。我们还使用8个墨西哥地区的历史数据分析了蚊子和登革热暴发之间的相关性,以及滞育在季节性暴发中的作用。我们发现,不同机制的联合作用可以增强蚊子的丰度,但是当它们以异步方式起作用时,也可以抑制蚊子的丰度。对于研究区域,低温而不是平均温度的季节性是促使蚊子暴发和登革热暴发的主要驱动力。我们得出的结论是,也可以使用这种更简单的模型而不是更复杂的登革热模型来准确预测登革热暴发的风险。除此之外,该模型还可用于发现不同地区登革热暴发的潜在机制,从而有助于采取有针对性的控制措施。

著录项

  • 来源
    《Applied Mathematical Modelling》 |2017年第10期|484-496|共13页
  • 作者单位

    Facultad de Ciencias Fisico-Matematicas, Benemerita Universidad Autonoma de Puebla, Avenida San Claudia y 18 Sur, CoL San Manuel, Puebla, Mexico;

    Facultad de Ciencias Fisico-Matematicas, Benemerita Universidad Autonoma de Puebla, Avenida San Claudia y 18 Sur, CoL San Manuel, Puebla, Mexico;

    Facultad de Ciencias Fisico-Matematicas, Benemerita Universidad Autonoma de Puebla, Avenida San Claudia y 18 Sur, CoL San Manuel, Puebla, Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Aedes; Seasonality; Outbreak; Diapause; Dengue; Model;

    机译:伊蚊;季节性;暴发;滞育登革热;模型;

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