Health in a changing climate: the dynamic challenge of snake bite in South Asia
气候变化中的健康:南亚蛇咬伤的动态挑战
基本信息
- 批准号:MR/P024513/1
- 负责人:
- 金额:$ 65.32万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2017
- 资助国家:英国
- 起止时间:2017 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Snakebite is a neglected tropical disease (NTD) and despite being less well publicised and studied, has a far greater impact than many other NTDs such as dengue or leishmaniasis. There are estimates of up to 120,000 deaths per year globally with considerable additional morbidity resulting, for example, from limb damage or renal failure. This burden of disease is relatively hidden as snakebite not only predominantly affects poorer countries in the tropics and subtropics, but it also mainly affects the rural poor, particularly agricultural workers and subsistence farmers in lower-middle income countries (LMICs). In many countries, snakebite is seasonal and is distributed unevenly across a country because of complex interactions between human behaviour, climate, varying geography and other factors affecting snake distributions. This means that there are substantial challenges in estimating the number of deaths and complications of snakebite. National surveys are rare because they are so difficult to carry out. The variation in numbers of snakebite across countries and over any one year means that it is difficult to estimate national and regional numbers from time-limited small local studies. This absence of accurate numbers for many countries and regions means that the problem does not get the international attention that it requires and makes it extremely difficult for local public health authorities to plan appropriate health services. Improved methodological approaches for mapping snakebite risk are therefore urgently needed, particularly when considering the potential for global environmental and climate change to exacerbate snakebite impacts. Examples such as the peak of snakebite deaths in India during the monsoon and in Bangladesh during floods illustrate the potential for environmental factors to influence disease. In Sri Lanka, bite and envenoming patterns also vary between climatic zones, with bite and envenoming incidence changing with altitude and rainfall. Climate change is thus likely to be an important yet currently unrecognised contributor to altering snakebite risk in affected areas, potentially impacting on snakebite incidence by altering snake abdundance, distributions and behaviour, altering human abundance and behaviour or both. This study aims to improve the ways in which the epidemiological burden of snakebite can be estimated and mapping risk using modelling of the interactions between snake and human distributions, behaviours and environmental factors and to investigate the extent to which climate and land-use change will impact upon this burden. The study will develop and validate methodologies using data from Sri Lanka and, in future, use these approaches to improve estimations of the snakebite burden and map risk over wider geographical areas in South Asia, and predict how they may change in the future. This approach will facilitate the diversion of appropriate resources towards addressing this major problem and will provide accurate information about the distribution of the snakebite burden at relevant scales to help health managers target resources appropriately and explore interventions that will help manage this risk and its associated socio-economic impacts in LMICs.
蛇咬伤是一种被忽视的热带疾病(NTD),尽管没有得到很好的宣传和研究,但与登革热或利什曼病等许多其他NTD相比,其影响要大得多。据估计,全球每年有多达12万人死亡,并有相当大的额外发病率,例如由肢体损伤或肾功能衰竭造成的。这一疾病负担相对隐蔽,因为蛇咬伤不仅主要影响热带和亚热带较贫穷的国家,而且主要影响农村穷人,特别是中低收入国家的农业工人和自给自足的农民。在许多国家,蛇咬伤是季节性的,由于人类行为、气候、不同的地理位置和其他影响蛇类分布的因素之间的复杂相互作用,蛇咬伤在全国各地分布不均。这意味着,在估计蛇咬伤的死亡人数和并发症方面存在巨大的挑战。全国性的调查很少见,因为它们很难进行。各国和任何一年的蛇咬伤人数各不相同,这意味着很难从时间有限的小型地方研究中估计国家和区域的人数。许多国家和地区缺乏准确的数字意味着这一问题没有得到所需的国际关注,并使当地公共卫生当局极难规划适当的卫生服务。因此,迫切需要改进测绘蛇咬伤风险的方法,特别是在考虑到全球环境和气候变化可能加剧蛇咬伤影响的情况下。印度季风期间和孟加拉国洪水期间的蛇咬死亡高峰等例子说明了环境因素影响疾病的可能性。在斯里兰卡,咬伤和毒化的模式在不同的气候带也不同,咬伤和毒化的发生率随着海拔和降雨量的变化而变化。因此,气候变化很可能是改变受影响地区蛇咬伤风险的一个重要但目前尚未被认识到的因素,可能会通过改变蛇的生存、分布和行为,改变人类的丰富度和行为,或两者兼而有之,从而影响蛇咬伤的发生率。这项研究旨在通过建立蛇与人类分布、行为和环境因素之间相互作用的模型,改进估计蛇咬伤流行病学负担的方法,绘制风险图,并调查气候和土地利用变化对这一负担的影响程度。这项研究将利用斯里兰卡的数据开发和验证方法,并在未来使用这些方法来改进对蛇咬负担的估计,绘制南亚更广泛地理区域的风险图,并预测它们未来可能发生的变化。这一办法将有助于将适当的资源转用于解决这一主要问题,并将提供有关蛇咬伤负担在相关级别上分布的准确信息,以帮助卫生管理人员适当地确定资源的目标,并探索有助于管理这一风险及其在低收入国家中产生的相关社会经济影响的干预措施。
项目成果
期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Evaluating temporal patterns of snakebite in Sri Lanka: the potential for higher snakebite burdens with climate change.
- DOI:10.1093/ije/dyy188
- 发表时间:2018-12-01
- 期刊:
- 影响因子:7.7
- 作者:Ediriweera DS;Diggle PJ;Kasturiratne A;Pathmeswaran A;Gunawardena NK;Jayamanne SF;Isbister GK;Dawson A;Lalloo DG;de Silva HJ
- 通讯作者:de Silva HJ
A mechanistic model of snakebite as a zoonosis: Envenoming incidence is driven by snake ecology, socioeconomics and its impacts on snakes.
蛇咬伤作为人畜共患疾病的机制模型:中毒发病率是由蛇生态、社会经济学及其对蛇的影响驱动的。
- DOI:10.1371/journal.pntd.0009867
- 发表时间:2022-05
- 期刊:
- 影响因子:3.8
- 作者:
- 通讯作者:
Evaluating spatiotemporal dynamics of snakebite in Sri Lanka: Monthly incidence mapping from a national representative survey sample.
- DOI:10.1371/journal.pntd.0009447
- 发表时间:2021-06
- 期刊:
- 影响因子:3.8
- 作者:Ediriweera DS;Kasthuriratne A;Pathmeswaran A;Gunawardene NK;Jayamanne SF;Murray K;Iwamura T;Isbister G;Dawson A;Lalloo DG;de Silva HJ;Diggle PJ
- 通讯作者:Diggle PJ
Integrating snake distribution, abundance and expert-derived behavioural traits predicts snakebite risk
- DOI:10.1111/1365-2664.14081
- 发表时间:2021-11-19
- 期刊:
- 影响因子:5.7
- 作者:Martin, Gerardo;Erinjery, Joseph;Murray, Kris A.
- 通讯作者:Murray, Kris A.
Focus on snake ecology to fight snakebite.
关注蛇生态,对抗蛇咬伤。
- DOI:10.1016/s0140-6736(19)32510-3
- 发表时间:2020
- 期刊:
- 影响因子:0
- 作者:Murray KA
- 通讯作者:Murray KA
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David Lalloo其他文献
Monocyte deactivation is associated with mortality in HIV-associated cryptococcal meningitis
- DOI:
10.1016/j.jinf.2015.09.023 - 发表时间:
2015-12-01 - 期刊:
- 影响因子:
- 作者:
James Scriven;Lisa Graham;Charlotte Schutz;Robert Wilkinson;David Boulware;Britta Urban;David Lalloo;Graeme Meintjes - 通讯作者:
Graeme Meintjes
Adult bacterial meningitis in malawi: a randomised controlled trail of steroid adjuvant therapy and a comparison of intravenous and intramuscular ceftriaxone
- DOI:
10.1016/j.jinf.2008.01.027 - 发表时间:
2008-04-01 - 期刊:
- 影响因子:
- 作者:
Matthew Scarborough;Stephen Gordon;Christopher Whitty;Neil French;Yasin Njalale;Alex Chitani;Tim Peto;David Lalloo;Eduard Zijlstra - 通讯作者:
Eduard Zijlstra
Venomous bites and stings
- DOI:
10.1016/j.mpmed.2009.09.025 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:
- 作者:
David Lalloo - 通讯作者:
David Lalloo
David Lalloo的其他文献
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{{ truncateString('David Lalloo', 18)}}的其他基金
Open Access Block Award 2024 - Liverpool School of Tropical Medicine
2024 年开放获取区块奖 - 利物浦热带医学院
- 批准号:
EP/Z531613/1 - 财政年份:2024
- 资助金额:
$ 65.32万 - 项目类别:
Research Grant
Open Access Block Award 2023 - Liverpool School of Tropical Medicine
2023 年开放获取区块奖 - 利物浦热带医学院
- 批准号:
EP/Y530165/1 - 财政年份:2023
- 资助金额:
$ 65.32万 - 项目类别:
Research Grant
Open Access Block Award 2022 - Liverpool School of Tropical Medicine
2022 年开放获取区块奖 - 利物浦热带医学院
- 批准号:
EP/X527142/1 - 财政年份:2022
- 资助金额:
$ 65.32万 - 项目类别:
Research Grant
Primary prevention of invasive cryptococcal disease using fluconazole prophylaxis in HIV infected Ugandans
使用氟康唑预防艾滋病毒感染的乌干达人侵袭性隐球菌病的一级预防
- 批准号:
G0601028-E01/1 - 财政年份:2007
- 资助金额:
$ 65.32万 - 项目类别:
Research Grant
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Environmental Health in a Changing Climate: the 19th International Conference of the Pacific Basin Consortium for Environment and Health
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Miscellaneous Programs
Leveraging the Global Network to implement health interventions to improve maternal and child outcomes in a rapidly changing environment
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Adapting vulnerable populations to health impacts linked to changing water dynamics and climate sensitive diseases.
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