Dengue Outbreak

In Bangladesh, the number of Dengue cases reported in 2023 was 1.3 times higher than the total number recorded in the past 23 years (321,179 vs. 244,246), with twice as many deaths than the total fatalities recorded in the past 23 years (1705 vs. 849).
Bangladesh reported more than one-fourth of the total global fatalities (n=1,705) due to dengue virus in 2023.
Out of 1705 dengue-related deaths, 67% died within the first day of hospital admission, suggesting severe disease and/or a considerable delay in seeking medical care.
In 2023, the divisions southern to Dhaka had a higher dengue incidence compared to the northern division (2.30 vs. 0.50, p<0,0.01)
In 2023, the southern divisions recorded higher annual temperatures (27.46 vs. 26.54 °C) and relative humidity (80.79 vs. 79.08%) than the northern division.
Historically, most of the dengue cases in Bangladesh have been reported in urban areas, with a particular concentration in the capital city of Dhaka [3] except in some years (e.g., 2019).
In 2023, 207,716 (65%) dengue cases were reported from outside Dhaka, but more than 57% (980 of 1705) deaths were recorded in Dhaka.

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