Seasonal fluctuations of dengue fever vector, Aedes aegypti (Diptera: Culicidae) in Delhi, India.
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2005-01-24
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Abstract
Studies on the seasonal fluctuation of Aedes aegypti were undertaken in different localities of Delhi, during 2000. The Aedes aegypti population was found to be prevalent in all the localities in Delhi. Water coolers and tires were found to be the preferred breeding habitats of Aedes mosquitos in the city. Aedes aegypti, being hygroscopic, showed a phenomenon of annual pulsation. It tends to move to mother foci in the central areas of the city, which are humid in the dry season, and spread out during the wet season. Out of 103,778 houses surveyed, 20,513 houses and 3,547 containers were reported positive for Aedes aegypti. The house container, and Breteau indices were very high during the post-monsoon season. The container indicies was very high (17.7%) in the defence area in September 2000. The container index in the areas of the Municipal Corporation of Delhi (MCD) and the New Delhi Municipal Committee (NDMC) were found to be high during the same period. The house index forAedes aegypti ranged from 0.1 to 7.4, 0.1 to 11.3, and 0.1 to 11.1 in the MCD, NDMC, and Defence areas, respectively.
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The Southeast Asian Journal of Tropical Medicine and Public Health.
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Sharma RS, Kaul SM, Sokhay J. Seasonal fluctuations of dengue fever vector, Aedes aegypti (Diptera: Culicidae) in Delhi, India. The Southeast Asian Journal of Tropical Medicine and Public Health. 2005 Jan; 36(1): 186-90