Interdepartmental Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas, USA Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas, USA Department of Pediatrics, Section of Pediatric Tropical Medicine, Sabin Vaccine Institute and Texas Children's Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, Texas, USA.
Department of Pediatrics, Section of Pediatric Tropical Medicine, Sabin Vaccine Institute and Texas Children's Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, Texas, USA National School of Tropical Medicine, Baylor College of Medicine, Houston, Texas, USA Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA.
Arch Dis Child. 2016 Jul;101(7):640-7. doi: 10.1136/archdischild-2015-308266. Epub 2016 Feb 26.
Chagas disease, leishmaniasis, onchocerciasis and lymphatic filariasis are all vectorborne neglected tropical diseases (NTDs) that are responsible for significant disease burden in impoverished children and adults worldwide. As vectorborne parasitic diseases, they can all be targeted for elimination through vector control strategies. Examples of successful vector control programmes for these diseases over the past two decades have included the Southern Cone Initiative against Chagas disease, the Kala-azar Control Scheme against leishmaniasis, the Onchocerciasis Control Programme and the lymphatic filariasis control programme in The Gambia. A common vector control component in all of these programmes is the use of adulticides including dichlorodiphenyltrichloroethane and newer synthetic pyrethroid insecticides against the insect vectors of disease. Household spraying has been used against Chagas disease and leishmaniasis, and insecticide-treated bed nets have helped prevent leishmaniasis and lymphatic filariasis. Recent trends in vector control focus on collaborations between programmes and sectors to achieve integrated vector management that addresses the holistic vector control needs of a community rather than approaching it on a disease-by-disease basis, with the goals of increased efficacy, sustainability and cost-effectiveness. As evidence of vector resistance to currently used insecticide regimens emerges, research to develop new and improved insecticides and novel control strategies will be critical in reducing disease burden. In the quest to eliminate these vectorborne NTDs, efforts need to be made to continue existing control programmes, further implement integrated vector control strategies and stimulate research into new insecticides and control methods.
恰加斯病、利什曼病、盘尾丝虫病和淋巴丝虫病都是由病媒传播的被忽视热带病(NTDs),它们在全球贫困儿童和成人中造成了巨大的疾病负担。作为病媒传播的寄生虫病,它们都可以通过病媒控制策略来消除。在过去二十年中,针对这些疾病的成功病媒控制计划的例子包括南锥体地区对抗恰加斯病倡议、抗利什曼病的卡拉-阿扎尔控制计划、盘尾丝虫病控制计划和冈比亚的淋巴丝虫病控制计划。在所有这些计划中,一个共同的病媒控制组成部分是使用包括滴滴涕和新型合成拟除虫菊酯类杀虫剂在内的杀成虫剂来对抗疾病的昆虫媒介。家庭喷洒已用于对抗恰加斯病和利什曼病,而经杀虫剂处理的蚊帐有助于预防利什曼病和淋巴丝虫病。最近病媒控制的趋势侧重于计划和部门之间的合作,以实现综合病媒管理,解决社区整体病媒控制需求,而不是针对每种疾病进行单独处理,目标是提高效果、可持续性和成本效益。随着病媒对目前使用的杀虫剂方案产生抗药性的证据出现,研究开发新的和改进的杀虫剂和新的控制策略对于减轻疾病负担至关重要。在消除这些由病媒传播的 NTDs 的过程中,需要努力继续现有的控制计划,进一步实施综合病媒控制策略,并刺激对新杀虫剂和控制方法的研究。
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