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Vector control interventions to prevent Dengue: Current situation and strategies for future improvements to management of Aedes in India

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journal contribution
posted on 2018-03-12, 00:00 authored by A Singh, Andrew Taylor-Robinson
Dengue is the most widespread vector-borne infectious disease of humans, existing in around 125 tropical and subtropical countries worldwide. The causative agent, a Flavirus, is transmitted from one person to another by female mosquitoes of the genus Aedes, primarily Ae. aegypti and Ae. albopictus, which breed in small, still bodies of freshwater such as storage tanks, buckets, plant pots and discarded household waste. Encouraging progress has been made in recent years towards the diagnosis and timely management of this debilitating and sometimes fatal disease. However, in the absence of an antiviral therapy or vaccine that is available and affordable in a low income setting, the means to combat dengue currently rely upon vector control measures that are directed against the immature aquatic stages, larvae and pupae, or adult mosquitoes. Although a number of different methods are in use, vector control has failed to prevent outbreaks from occurring and to avert an expansion of the geographical distribution of dengue. This is due to several limitations of present technologies that relate to dwindling financial resources, development of insecticide resistance, failure of long term sustainability and insufficient community involvement. In this context, there is a pressing need for an evidence-based selection process to determine how best to detect and exterminate the breeding of Aedes mosquitoes. This review considers existing vector control strategies as well as discussing some of the novel approaches that are in preparation, placing particular emphasis on relevance to the worsening public health issue of dengue endemicity in India.






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Omics International Journals

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This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Journal of Infectious Disease and Pathology