Entomological surveillance for the prevalence and seasonal variations of Aedes aegypti (Dengue and Chikungunya vector) mosquito larvae was conducted during July 2016 to June 2017 in district Hyderabad. In the role of being Aedes aegypti as potential vector of Dengue & Chikungunya, arboviral infections commonly prevalent in Lower Sindh. The outcome of study was designed on predictive modeling exercise so that rapid response in terms of larvicidal activity either biological method or mechanical or growth regulation could be implemented at positive localities besides identifying prospective geographical distribution in order to assess future interventions well in time prior to peak season. At onset of surveillance, larvae were collected from various types of indoor and outdoor water holding containers/breeding habitat. underground tanks, overhead tanks, plastic drums, earthen pots, discarded receptacles, plant nurseries, puncture tire shops and road side small hotels (Dhaba). A standard method was used for data collection and analysis (house index HI, container index CI and Breteau index BI). A total of 510 household surveyed with 1370 water holding containers in which 372 were positive with Aedes aegypti larvae at the rate of 27.1%; while 344 outdoor water containers examined, 46 were positive with Aedes aegypti larvae at the rate of 13.37%. Total of 1714 indoor and outdoor water holding containers examined, 418 were positive with Aedes aegypti larvae with overall positivity rate of 24.38 %. For entomological indices only indoor water containers data have been used. House Index (HI), Container Index (CI) and Breteau Index (BI) were estimated as 31%, 27.1 % and 73 % respectively. Drums were recorded with highest positivity rate of (40.17%), followed by underground water tanks (29.07%), overhead water tanks (22.8%), Earthen pot (22.6%), discarded containers (12.1%) and the least (10.7%) dripping water collection from air-condition and refrigerator. From outdoor breeding-sites, Plant nurseries were recorded highest 17.1% followed by Dhaba hotel (15.5%) and puncture tire shops (10.6%). The seasonal variations were noted as September and October were observed the peak seasons with positivity rate of 51.25% and 58.27% respectively and the reason is that the favorable climatic factors after monsoon; 131.8 mm rain fall in August 2016 and the favorable temperature and relative humidity as well for the breeding of Aedes aegypti. Positive water containers were distinguished with ratio as properly covered, partially covered and uncovered1.91%, 49.76% and 48.3%respectively.
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机译：AEDES AEGYPTI（登革热和Chikungunya Vectoring）探查幼虫的昆虫普遍和季节变异的昆虫学监测于2016年7月至2017年6月在海德拉巴区进行。作为AEDES AEGYPTI作为登革热和CHIKUNGUNYA的潜在载体的作用，常见的枝条感染在较低的SINDH中普遍普遍。研究了研究的结果是在预测性建模运动上设计，以便在鉴定前瞻性地理分布的情况下，可以在正地点实施生物方法或机械或生长调节方面的快速响应，以便在高峰期间及时评估未来干预措施季节。在监测开始时，从各种类型的室内和室外水持有容器/育种栖息地收集幼虫。地下坦克，架空坦克，塑料鼓，土盆，废弃的容器，植物苗圃，穿刺轮胎商店和路边小型酒店（DHABA）。标准方法用于数据收集和分析（House Index Hi，Container Index CI和Breteau指标BI）。共有510户摄取的家庭，其中1370个水持有容器，其中372次与AEDES AEGYPTI幼虫为阳性，率为27.1％;虽然检查了344次室外水容器，但46次与AEDESAEGYPTI幼虫阳性的速度为13.37％。审查了1714个室内和室外水持有容器，418次患有AEDYPTI幼虫的阳性，整体阳性率为24.38％。对于昆虫学指数，仅使用室内水容器数据。房屋指数（HI），集装箱指数（CI）和BRETEAU指数（BI）分别估计为31％，27.1％和73％。滚筒以最高的阳性率（40.17％），其次是地下水箱（29.07％），架空水箱（22.8％），土锅（22.6％），丢弃容器（12.1％），最少（10.7％） ）从空调和冰箱中滴水。从户外繁殖场所，植物苗圃被记录17.1％，然后是Dhaba Hotel（15.5％）和穿刺轮胎商店（10.6％）。季节性变化指出，为9月和10月，分别观察到阳性率分别为51.25％和58.27％，原因是季风后的有利气候因素; 2016年8月131.8毫米下跌，以及良好的温度和相对湿度，也是AEDESAEGYPTI的繁殖。阳性水容器以妥善覆盖，部分覆盖和未覆盖的比例分别区分，分别分别为1.91％，49.76％和48.3％。
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