A Review of Spatio-Temporal Distribution of Aedes aegypti in Uttar Pradesh
DOI:
https://doi.org/10.59436/jsiane.v6i1.15.2583-2093Keywords:
Aedes aegypti Spatio-temporal distribution Uttar Pradesh Dengue vector Vector ecology Seasonal variation UrbanizationAbstract
The mosquito Aedes aegypti is a principal vector responsible for the transmission of major arboviral diseases such as dengue, chikungunya, and Zika, posing a serious public health challenge in India. The present review aims to synthesize existing knowledge on the spatio-temporal distribution of Aedes aegypti in Uttar Pradesh, one of the most densely populated states with recurring outbreaks of mosquito-borne diseases. The analysis of available literature indicates that the distribution of Aedes aegypti is highly heterogeneous across the state and is strongly influenced by environmental, climatic, and anthropogenic factors. Urban and peri-urban regions, including cities such as Lucknow, Kanpur, and Varanasi, have been identified as major hotspots due to high population density, inadequate waste management, and the presence of numerous artificial breeding habitats. Spatial distribution patterns reveal that districts with rapid urbanization and poor sanitation infrastructure exhibit higher entomological indices, including House Index (HI), Container Index (CI), and Breteau Index (BI), indicating an elevated risk of dengue transmission. Temporal analysis demonstrates a strong seasonal trend, with peak mosquito densities occurring during the monsoon and post-monsoon periods, primarily due to increased rainfall and optimal temperature conditions that favor breeding and survival. In contrast, population density declines during extreme summer and winter conditions. Furthermore, climate change is expected to influence the expansion of mosquito distribution and prolong the transmission season, thereby increasing disease risk. The review highlights the importance of integrated vector management strategies, including environmental control, community participation, and the application of modern tools such as Geographic Information Systems (GIS) for surveillance and risk mapping. Strengthening vector monitoring systems and promoting public awareness are essential for effective control of mosquito populations. This study provides valuable insights for policymakers and researchers to develop targeted interventions aimed at reducing the burden of vector-borne diseases in Uttar Pradesh.
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