Dhaka, June 18 -- The density of dengue-carrying Aedes mosquitoes is rising beyond Dhaka, with Jhenaidah and Magura recording the highest concentration, according to an official survey.

The Institute of Epidemiology, Disease Control and Research (IEDCR) conducted the survey in February, March, and May across several zones, including the two Dhaka city corporations, as well as city and municipal areas in Chattogram, Barishal, Rajshahi, Kushtia, Pirojpur, Patuakhali, Jhenaidah, and Magura.

Presenting the findings at a briefing in Mohakhali on Wednesday, IEDCR Director Tahmina Shirin said Aedes larvae were most prevalent in Jhenaidah and Magura among the eight surveyed districts.

In Jhenaidah, surveyors found Aedes larvae in 54 out of 270...