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The annual recurrence of dengue in Bangladesh: A persistent threat

Tushar Ahmed Shishir1, Nazifa Tabassum Tasnim1, Akash Ahmed1

  • 1Department of Mathematics and Natural Sciences, BRAC University, Dhaka, Bangladesh.

IJID Regions
|February 9, 2026
PubMed

Insights

Dengue infections in Bangladesh show annual recurrence, particularly in cities like Dhaka. This study examines epidemic challenges and proposes solutions to prevent future dengue outbreaks and mitigate severe health impacts.

Area of Science:

  • Public Health
  • Epidemiology
  • Tropical Medicine

Background:

  • Dengue infections present an annual recurrence in Bangladesh, posing a significant public health challenge.
  • The cyclical nature of dengue transmission is observed across various regions, with a notable concentration in densely populated urban centers like Dhaka and Chittagong.

Purpose of the Study:

  • To explore the annual recurrence patterns of dengue infections in Bangladesh.
  • To identify challenges faced during dengue epidemics and propose potential control strategies.
  • To assess the severe health impacts in high-prevalence areas and brainstorm long-term prevention solutions.

Main Methods:

  • Analysis of dengue infection recurrence and geographical distribution.
  • Review of challenges and impacts during dengue epidemics.
  • Brainstorming of potential short-term and long-term solutions for outbreak prevention.

Main Results:

  • Dengue infections exhibit a distinct annual cyclical pattern in Bangladesh.
  • Densely populated cities, including Dhaka and Chittagong, are focal points for dengue transmission.
  • High-prevalence areas like Chittagong, Khulna, and Barisal experience severe public health impacts.

Conclusions:

  • Understanding dengue's cyclical nature is crucial for effective public health interventions in Bangladesh.
  • A combination of strategies is needed to combat dengue spread and mitigate its health impacts.
  • Proactive, long-term solutions are essential to prevent future dengue outbreaks and protect public well-being.

Keywords:
BangladeshDengue outbreakDhakaVector-borne disease

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