Outbreak News

Bangladesh's record dengue fever season in 2023 with Dr. Md Rafiul Hasan

·24 min·2 clips
Bangladesh's 2023 dengue outbreak has over 250,000 cases and 1,255 deaths, shattering all previous records.
The episode begins with host Robert introducing the severity of Bangladesh's 2023 dengue outbreak, noting it is the most devastating since dengue reappeared in 2000. He presents key statistics: over 250,000 cases and 1,255 fatalities to date, both numbers far exceeding previous records. The host then introduces guest Dr. Md Rafiul Hasan, a field epidemiologist with the Bangladesh government health department actively managing the outbreak. Dr. Hasan starts by providing geographical and climatic context for Bangladesh, explaining its suitability for Aedes mosquito breeding. He gives a historical overview, stating dengue was first diagnosed in Bangladesh in the 1960s as 'Dhaka fever' before being identified as a mosquito-borne viral disease. Dr. Hasan shares the latest daily figures: 2,484 patients treated, 2,056 new admissions, and 9 deaths as of the previous day. He traces the evolution of dengue cases in Bangladesh, noting a dramatic change post-2000, with significant outbreaks in 2019 (over 100,000 cases) and 2022 (60,000 cases with 281 deaths). The 2023 outbreak, with over 250,000 cases and 1,255 deaths, represents a catastrophic surge. Dr. Hasan attributes this to multiple factors: climate change leading to temperature rise and altered rainfall patterns, increased human mobility, rapid urbanization, and insufficient public awareness. He identifies dengue virus serotypes 2 and 3 as currently prominent in Bangladesh. When asked about the high death rate, Dr. Hasan corrects the host, stating it is a more than 600% increase compared to 2022. He explains three main reasons: changes in death reporting methodology to include all hospital-reported dengue deaths, the high case number leading to proportionally more deaths, and an overwhelmed health system, especially outside Dhaka, lacking experience and resources for dengue treatment. He also notes a dangerous shift in public perception, where patients believe recovery from fever means recovery from dengue, delaying treatment for severe complications like dengue shock syndrome. Dr. Hasan outlines the government's three-pronged response: public awareness campaigns, training doctors and increasing hospital beds, and mosquito control measures including insecticide spraying and trials of genetically modified mosquitoes. He confirms Bangladesh is considering dengue vaccination, mentioning a successful trial by icddr,b awaiting WHO approval. In closing, Dr. Hasan emphasizes the global rise of dengue and calls for increased international research collaboration, suggesting Bangladesh could be an ideal study site due to its cooperative authorities and dense population. The host thanks Dr. Hasan for his insights.

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Bangladesh's worst dengue year gets a plain, useful public-health reading.

This episode frames Bangladesh's 2023 dengue season as a stark public-health case study, with the country trying to contain its most devastating recorded outbreak since dengue reappeared in 2000. Robert's conversation with Dr.

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You get Bangladesh's record dengue outbreak in plain numbers.

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