Insecticide susceptibility of phlebotomus argentipes & assessment of vector control in two districts of West Bengal, India.

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dc.contributor.authorKumar, Vijay
dc.contributor.authorShankar, Lokesh
dc.contributor.authorKesari, Shreekant
dc.contributor.authorBhunia, Gouri Shankar
dc.contributor.authorDinesh, Diwakar Singh
dc.contributor.authorMandal, Rakesh
dc.contributor.authorDas, Pradeep
dc.date.accessioned2016-01-11T09:07:27Z
dc.date.available2016-01-11T09:07:27Z
dc.date.issued2015-08
dc.description.abstractBackground & objectives: Kala-azar or visceral leishmanisis (VL) is known to be endemic in several States of India including West Bengal (WB). Only meager information is available on the vector dynamics of its vector species, Phlebotomus argentipes particularly in relation to control measure from this State. Hence, a pilot study was undertaken to assess the control strategy and its impact on vector in two endemic districts of WB, India. Methods: Two villages each from the two districts, Maldah and Burdwan, were selected for the study. Seasonal variation of sandflies was observed during pre-monsoon, post-monsoon and winter seasons. Susceptibility test of P. argentipes against DDT and bioassay on DDT sprayed wall and on long lasting insecticide nets (LN) Permanet® 2.0 were conducted as per the WHO standard methods. Results: P. argentipes density was high during March to October. Susceptibility status of P. argentipes ranged from 40 to 61.54 per cent. Bioassay test showed 57.89 per cent mortality against LN permaNet®-2.0. and 50 per cent against DDT on wall within 30 min of exposure. Interpretation & conclusions: Despite the integrated vector management approach, the sandfly population was high in the study area. The reason could be development of resistance in P. argentipes against DDT and low effectiveness of LN permaNet®-2.0. The more pragmatic step will be to conduct large studies to monitor the susceptibility level in P. argentipes against DDT.en_US
dc.identifier.citationKumar Vijay, Shankar Lokesh, Kesari Shreekant, Bhunia Gouri Shankar, Dinesh Diwakar Singh, Mandal Rakesh, Das Pradeep. Insecticide susceptibility of phlebotomus argentipes & assessment of vector control in two districts of West Bengal, India. Indian Journal of Medical Research. 2015 Aug; 142(2): 211-215.en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/170294
dc.language.isoenen_US
dc.source.urihttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4613443/en_US
dc.subjectBio-assayen_US
dc.subjectbreading habitaten_US
dc.subjectphlebotomus argentipesen_US
dc.subjectsusceptibilityen_US
dc.subjectvisceral leishmaniasisen_US
dc.titleInsecticide susceptibility of phlebotomus argentipes & assessment of vector control in two districts of West Bengal, India.en_US
dc.typeArticleen_US
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