As many as 13 dengue patients died and 2,742 were admitted to different hospitals in the country during the last 24 hours till 8am on Tuesday.

"During the period, 1,002 dengue patients were hospitalised in Dhaka city while 1,740 were admitted to different hospitals outside Dhaka," a press release of the Directorate General of Health Services (DGHS) said.

"This year, 340 deaths, the highest in a year since dengue was detected in 2000, were reported from dengue disease while 281 died last year," the daily statement of the DGHS said.

With the new cases, the total number of patients rose to 72,225 the statement said, adding: "Some 62,422 patients were released from different hospitals this year of the total patients."

"A total of 9,463 dengue patients are undergoing treatment at different hospitals. Of them, 4,482 are in Dhaka while 4,981 are outside the capital city," it added.

 Health experts warned the dengue situation may deteriorate this month and in the next month, asking authorities concerned to launch a massive campaign against all types of mosquitoes.

Analysing the amount of rainfall, temperature and humidity in Bangladesh, they described August and September months as the most suitable period for breeding Aedes mosquitoes.

Dengue fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world. Outbreaks of the disease are usually seasonal, and it peaks during and after the rainy season.