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Bangladesh’s 2023 Dengue outbreak – age/gender-related disparity in morbidity and mortality and geographic variability of epidemic burdens

Haider, Najmul, ASADUZZAMAN, Md, Hasan, Mohammad, Rahman, Mahbubur, Sharif, Ahmed, Ashrafi, Shah Ali Akbar, Lee, Shui and Zumla, Alimuddin (2023) Bangladesh’s 2023 Dengue outbreak – age/gender-related disparity in morbidity and mortality and geographic variability of epidemic burdens. International Journal of Infectious Diseases, 136. pp. 1-4. ISSN 1201-9712

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Abstract or description

Bangladesh is currently grappling to control its most devastating dengue fever outbreak recorded since the dengue virus (DENV) reappeared in the country in 2000 [1, 2, 3]. Although dengue is endemic in Bangladesh, the current dengue surge is unusual in terms of case burden and mortality, seasonality, and the early sharp increase [[1]]. Between 1 January and 25 August 2023, a total of 110,224 DENV infections including 528 deaths (case fatality ratio [CFR]: 0.48%) were recorded [[2]]. The reported number of dengue cases and deaths this year so far is already the highest ever recorded in the country, while the numbers are continuing to rise [1, 2, 3]. The Bangladesh Ministry of Health and Family Welfare's Management Information System (MIS) provides daily reports on cases, deaths, and the district-wise distribution of DENV infections [[2]]. Analyses of data from inpatient records and geographic coordinates of residence locations between 1 January and 17 August 2023 highlight four important findings that require further epidemic investigation: First, approximately half of the cases (n=52,656) were recorded in the capital city Dhaka, and 86% of them were located within a 2-km radius of hospitals, raising concern about the high density of DENV patients in the proximity of the hospitals (Fig. 1). Second, although 62% of the cases are males, 58% of the deaths are females indicating a higher risk of mortality among females. Third, we identified a possible age-specific disparity in morbidity and mortality indicating more severe infections in the older age group. People ≥30 years old accounted for 38% of cases and 64% of deaths in 2023. Fourth, out of 528 deaths, 391 (74%) were recorded among the patients hospitalized in the capital city, Dhaka (Fig. 2).

Item Type: Article
Faculty: School of Digital, Technologies and Arts > Engineering
Depositing User: Md ASADUZZAMAN
Date Deposited: 02 Oct 2023 10:31
Last Modified: 02 Oct 2023 10:31

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