A study of larval indices of Aedes and the risk for Dengue outbreak
Journal Title: Scholars Academic Journal of Biosciences - Year 2014, Vol 2, Issue 8
Abstract
Arboviral diseases are on an increase the world over, especially in developing countries like India. The problem has been perceived to be serious enough for the World Health Organisation to dedicate the World Health Day 2014, for awareness of such diseases. The World Health Day 2014, aptly has the slogan, “small bite, big threat”. Larval survey was carried out and House index (HI), container index (CI) and Breteau index (BI) were calculated. During the larval survey, a total of 2088 containers were examined in the entire study area. Out of these, 1018 containers were found to be positive for Aedes larval breeding. The most common breeding source were stagnant drains (100.00%) followed by discarded tyres (90.32%), discarded plastic containers (74.34%), puddles of water on ground (e.g., in tyre markings) (68.09%) and plastic trays under flower pots (53.61%). Breeding of Aedes aegypti and the relatively high values of the three indices in the present study makes this area have a high denguogenic potential. Measures such as integrated vector management, minimization of the breeding potential of Aedes by water management practice, proper disposal of tyres, discarded plastic containers and glass bottles by individuals, cleaning of the blocked and stagnated drains, implementation of urban by-laws, and health education are recommended for better control of breeding of Aedes species.
Authors and Affiliations
Dr Harinder Sekhon, Dr Sukhmeet Minhas
Keywords
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