Modelling Infectious Diseases with discontinuities

对具有不连续性的传染病进行建模

基本信息

  • 批准号:
    RGPIN-2015-05414
  • 负责人:
  • 金额:
    $ 1.24万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

With the recent Ebola outbreak, the need for mathematical models to understand transmission between and within countries worldwide is critical. Although we have had some success in reducing disease prevalence in the Western world, many diseases continue to threaten developing nations, with over 50% of the world's population at risk for one or more transmissable infections. Emerging infections such as West Nile Virus, SARS and swine flu have threatened the West in recent years, with potential pandemics from avian influenza, MERS and others looming. Tools at our disposal include vaccines, drugs, quarantine and education.***Many of the effects of such interventions occur in short bursts or shocks. For example, National Immunization Days (NIDs) for measles, polio etc occur in many developing countries over 1-2 days, twice a year. During this time, millions of children are vaccinated at once. India vaccinates 174,000,000 children in a single NID. On a smaller scale, antiretroviral treatment for HIV involves taking pills, whose duration of action is about 20 minutes long, significantly shorter than the period of hours between pills. Quarantine often involves relocation of infected individuals occuring on a short timescale, whereas education can involve bursts of media information happening quickly.******To analyse these effects, we will develop mathematical models using impulsive differential equations, impulse extension equations and Filippov systems. These methods are used to analyse short, sharp shocks, either in the state variables or their derivatives. By harnessing the power of short-burst modelling, a great many problems can be analysed using novel mathematical techniques. This will be useful in an applied context when dealing with biological, physical or other real-word models where precision of the results are important.************
随着最近埃博拉病毒的爆发,需要数学模型来了解世界各国之间和国家内部的传播是至关重要的。尽管我们在降低西方世界的疾病流行率方面取得了一些成功,但许多疾病仍在威胁发展中国家,世界上超过50%的人口面临一种或多种可传播感染的风险。近年来,西尼罗河病毒、SARS和猪流感等新出现的传染病威胁着西方,禽流感、MERS和其他传染病的潜在大流行迫在眉睫。我们可以使用的工具包括疫苗、药物、检疫和教育。这种干预的许多影响都是以短时间爆发或冲击的形式出现的。例如,在许多发展中国家,每年两次,为期1-2天的麻疹、脊髓灰质炎等全国免疫日。在此期间,数百万儿童立即接种疫苗。印度在一次全国免疫日为1.74亿儿童接种疫苗。在较小的范围内,艾滋病毒的抗逆转录病毒治疗包括服用药丸,其作用时间约为20分钟,大大短于药丸之间的时间。隔离通常涉及在短时间内重新安置受感染者,而教育可能涉及媒体信息的快速爆发。为了分析这些影响,我们将使用脉冲微分方程,脉冲扩展方程和Filippov系统开发数学模型。这些方法被用来分析短而尖锐的冲击,无论是在状态变量或其衍生物。通过利用短爆发模型的力量,可以使用新的数学技术分析很多问题。这在处理生物、物理或其他真实世界模型的应用环境中非常有用,因为这些模型的结果精度非常重要。*

项目成果

期刊论文数量(0)
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Smith, Robert其他文献

An outbreak of Salmonella Typhimurium associated with the consumption of raw liver at an Eid al-Adha celebration in Wales (UK), July 2021.
  • DOI:
    10.1017/s0950268823001887
  • 发表时间:
    2023-11-30
  • 期刊:
  • 影响因子:
    4.2
  • 作者:
    Adamson, James P.;Sawyer, Clare;Hobson, Gemma;Clark, Emily;Fina, Laia;Orife, Oghogho;Smith, Robert;Williams, Chris;Hughes, Harriet;Jones, Allyson;Swaysland, Sarah;Somoye, Oluwaseun;Phillips, Ryan;Iqbal, Junaid;Mohammed, Israa;Karani, George;Thomas, Daniel Rhys
  • 通讯作者:
    Thomas, Daniel Rhys
The moral space in entrepreneurship: an exploration of ethical imperatives and the moral legitimacy of being enterprising
Protection against severe hypokalemia but impaired cardiac repolarization after intense rowing exercise in healthy humans receiving salbutamol
  • DOI:
    10.1152/japplphysiol.00680.2017
  • 发表时间:
    2018-08-01
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Atanasovska, Tania;Smith, Robert;McKenna, Michael J.
  • 通讯作者:
    McKenna, Michael J.
Effects of pH and temperature on coupling nitritation and anammox in biofilters treating dairy wastewater
pH和温度对生物过滤器处理乳品废水中亚硝化和厌氧氨氧化耦合的影响
  • DOI:
    10.1016/j.ecoleng.2012.06.035
  • 发表时间:
    2012-10
  • 期刊:
  • 影响因子:
    3.8
  • 作者:
    Wang, Ziyuan;Smith, Robert;Shayya, Walid;Pei, Yuansheng
  • 通讯作者:
    Pei, Yuansheng
Uncovering the hydride ion diffusion pathway in barium hydride via neutron spectroscopy.
  • DOI:
    10.1038/s41598-022-10199-8
  • 发表时间:
    2022-04-13
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Novak, Eric;Daemen, Luke;Ramirez-Cuesta, Anibal Javier;Cheng, Yongqiang;Smith, Robert;Egami, Takeshi;Jalarvo, Niina
  • 通讯作者:
    Jalarvo, Niina

Smith, Robert的其他文献

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{{ truncateString('Smith, Robert', 18)}}的其他基金

Modelling infectious diseases with stochastic discontinuities
具有随机不连续性的传染病建模
  • 批准号:
    RGPIN-2020-05485
  • 财政年份:
    2022
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Design and fabrication of a terahertz time domain vector network analyzer for material and device characterization
用于材料和器件表征的太赫兹时域矢量网络分析仪的设计和制造
  • 批准号:
    RGPIN-2022-03277
  • 财政年份:
    2022
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Design and fabrication of a terahertz time domain vector network analyzer for material and device characterization
用于材料和器件表征的太赫兹时域矢量网络分析仪的设计和制造
  • 批准号:
    DGECR-2022-00086
  • 财政年份:
    2022
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Launch Supplement
Modelling infectious diseases with stochastic discontinuities
具有随机不连续性的传染病建模
  • 批准号:
    RGPIN-2020-05485
  • 财政年份:
    2021
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling infectious diseases with stochastic discontinuities
具有随机不连续性的传染病建模
  • 批准号:
    RGPIN-2020-05485
  • 财政年份:
    2020
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Using past pandemics to guide COVID-19 predictions
利用过去的流行病来指导 COVID-19 预测
  • 批准号:
    554986-2020
  • 财政年份:
    2020
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Alliance Grants
Modelling Infectious Diseases with discontinuities
对具有不连续性的传染病进行建模
  • 批准号:
    RGPIN-2015-05414
  • 财政年份:
    2019
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling Infectious Diseases with discontinuities
对具有不连续性的传染病进行建模
  • 批准号:
    RGPIN-2015-05414
  • 财政年份:
    2017
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling Infectious Diseases with discontinuities
对具有不连续性的传染病进行建模
  • 批准号:
    RGPIN-2015-05414
  • 财政年份:
    2016
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling Infectious Diseases with discontinuities
对具有不连续性的传染病进行建模
  • 批准号:
    RGPIN-2015-05414
  • 财政年份:
    2015
  • 资助金额:
    $ 1.24万
  • 项目类别:
    Discovery Grants Program - Individual

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