Epidemiological and Geographical Factors Associated with Dengue in Bangladesh: A Multicenter Study of the 2023 Dengue Epidemic

Abul Faisal Md. Nuruddin Chowdhury Department of Medicine, Chittagong Medical College, Chattogram, Bangladesh;

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Orindom Shing Pulock Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;

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Md Abdus Sattar Department of Medicine, Chittagong Medical College, Chattogram, Bangladesh;

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Noor Mohammed Department of Medicine, Chittagong Medical College, Chattogram, Bangladesh;

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Arpita Biswangree Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;

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Nishat Sultana Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;
Department of Biochemistry & Biotechnology, University of Science and Technology Chittagong, Chattogram, Bangladesh;

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Masruma Meherine Prachi Department of Medicine, Chittagong Medical College, Chattogram, Bangladesh;
Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;

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Afsana Yeasmin Tanzina Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;
Department of Genetic Engineering & Biotechnology, University of Chittagong, Chattogram, Bangladesh;

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Meheadi Hasan Rumi Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;
Department of Genetic Engineering & Biotechnology, University of Chittagong, Chattogram, Bangladesh;

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Nazmul Alam Department of Public Health, Asian University for Women, Chattogram, Bangladesh;

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H. M. Hamidullah Mehedi Department of Medicine, 250 Bedded General Hospital, Chattogram, Bangladesh;

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Emrul Kaiser Department of Medicine, Fatikchari Health Complex, Chattogram, Bangladesh

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Adnan Mannan Disease Biology and Molecular Epidemiology Research Group, Chattogram, Bangladesh;
Department of Genetic Engineering & Biotechnology, University of Chittagong, Chattogram, Bangladesh;

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ABSTRACT.

Bangladesh is a well-known epidemic zone for dengue fever. Several epidemiological and geographical factors influence the transmission and severity of dengue infection. This study aimed to determine the epidemiological and geographical factors that contributed to the severity of the dengue outbreak in Bangladesh in 2023. This hospital-based cross-sectional study investigated 1,313 dengue patients admitted to public hospitals in Dhaka, Chattogram and Kishoreganj, Bangladesh, between July and December 2023. Multiple logistic regression analyses were conducted to identify the independent risk factors for severe dengue infection. The average age of respondents was 29.5 years, with individuals aged 20–40 accounting for 59.5%. Of the 1,313 dengue patients, 19.3% (254) were diagnosed with severe dengue infection. Patients with low monthly income and those lacking awareness of dengue’s spread from clogged rooftop water were respectively 2.35 (adjusted odds ratio [aOR] 2.35; P <0.05; 95% CI: 1.08–5.07) and 2.23 (aOR 2.23; P <0.05; 95% CI: 1.20–4.14) times more likely to develop severe dengue. The dengue outbreak has become a serious public health issue in Bangladesh, with factors such as low family income and lack of awareness contributing to the development of severe cases. These findings provide valuable evidence for policymakers to guide and implement preventive measures and raise awareness.

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Author Notes

Financial support: This project was partially funded by Zilla Parishad, Chattogram.

Disclosure: Ethical approval was obtained from the Institutional Review Board of Chittagong Medical College (memo no. 59.27.0000.013.19.PG.2023.009.288), and permissions to collect data were obtained from the local hospital management. Written informed consent was obtained for the publication of information relating to the participants or their relatives.

Data availability: The data that support the findings of this study are available from the corresponding author upon reasonable request.

Current contact information: Abul Faisal Md. Nuruddin Chowdhury, Md Abdus Sattar, Noor Mohammed, Masruma Meherine Prachi, and Emrul Kaiser, Chittagong Medical College, Chattogram, Bangladesh, E-mails: afmchy07@gmail.com, dr.sattar_cox@yahoo.com, noormd1709@gmail.com, masrumameherine@gmail.com, and emrulkaiser44@gmail.com. Orindom Shing Pulock, The University of Sheffield, Western Bank, Sheffield, United Kingdom, E-mail: mrospulock@gmail.com. Arpita Biswangree, North South University, Bashundhara, Dhaka, Bangladesh, E-mail: arpitaleembiswangree@gmail.com. Nishat Sultana, University of Science and Technology Chittagong, Chattogram, Bangladesh, E-mail: nishaathappy4@gmail.com. Afsana Yeasmin Tanzina, City University of New York, New York, NY, E-mail: tanziageb@gmail.com. Meheadi Hasan Rumi, Chandpur Medical College, Chandpur, Bangladesh, E-mail: rumicu0@gmail.com. Nazmul Alam, Asian University for Women, Chattogram, Bangladesh, E-mail: nazmul.alam@auw.edu.bd. H. M. Hamidullah Mehedi, 250 Bedded General Hospital, Chattogram, Bangladesh, E-mail: drmehedi2007@yahoo.com. Adnan Mannan, University of Chittagong, Chattogram, Bangladesh, E-mail: adnan.mannan@cu.ac.bd.

Address correspondence to Adnan Mannan, Department of Genetic Engineering & Biotechnology, University of Chittagong, Chattogram, Bangladesh 4331. E-mail: adnan.mannan@cu.ac.bd
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