Some of the places remain under stagnant water for years, while some lack basic civic amenities, including proper roads or pure drinking water. None of these neighbourhoods has a single playground. Such are the states of the three wards in zone-9 of Dhaka North City Corporation.
Dengue is mainly caused by female mosquitoes of the species Aedes aegypti, which is easily recognised by the white bands on its legs and body. Aedes mosquitoes prefers to breed in clean, stagnant water. Cleaning them up would reduce their breeding grounds.