ArticleJournal of medical entomology2023
The 2022 dengue outbreak in Bangladesh: hypotheses for the late resurgence of cases and fatalities.
Article in Journal of medical entomology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.
- Epidemiological Characteristics of Dengue Infection in Bangladesh: A Systematic Review.International journal of environmental research and public health · 2026Pooled it
- Article
- The 2023 fatal dengue outbreak in Bangladesh highlights a paradigm shift of geographical distribution of cases.Epidemiology and infection · 2025Article
- Time series analysis of dengue incidence and its association with meteorological risk factors in Bangladesh.PloS one · 2025Article
- Circulating dengue virus serotypes, demographics, and epidemiology in the 2023 dengue outbreak in Chittagong, Bangladesh.European journal of microbiology & immunology · 2024Article
- Resurgence of Dengue Virus Serotype 2: Findings from the 2023 Bangladesh Outbreak.The American journal of tropical medicine and hygiene · 2024Article
- Two decades of endemic dengue in Bangladesh (2000-2022): trends, seasonality, and impact of temperature and rainfall patterns on transmission dynamics.Journal of medical entomology · 2024Article
- Predominant dengue virus serotype in Dhaka, Bangladesh: A research letter on samples from 2022 outbreak.Health science reports · 2024Article
- Mapping hotspots and cluster analysis of the current dengue outbreak in Bangladesh.New microbes and new infections · 2023Article
- Dengue outbreak 2023 in Bangladesh: From a local concern to a global public health issue.Science progressReview
- Predominance of Dengue virus type 2-genotype II (Cosmopolitan) in Bangladesh, 2023: Presumptive sudden replacement of a prevailing virus strain.New microbes and new infectionsArticle
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Authors and funding
11 authors at 8 institutions in 4 countries.
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Abstract
Bangladesh reported the highest number of annual deaths (n = 281) related to dengue virus infection in 2022 since the virus reappeared in the country in 2000. Earlier studies showed that >92% of the annual cases occurred between the months of August and September. The 2022 outbreak is characterized by late onset of dengue cases with unusually higher deaths in colder months, that is, October-December. Here we present possible hypotheses and explanations for this late resurgence of dengue cases. First, in 2022, the rainfall started late in the season. Compared to the monthly average rainfall for September and October between 2003 and 2021, there was 137 mm of additional monthly rainfall recorded in September and October 2022. Furthermore, the year 2022 was relatively warmer with a 0.71°C increased temperature than the mean annual temperature of the past 20 yr. Second, a new dengue virus serotype, DENV-4, had recently reintroduced/reappeared in 2022 and become the dominant serotype in the country for a large naïve population. Third, the post-pandemic return of normalcy after 2 yr of nonpharmaceutical social measures facilitates extra mosquito breeding habitats, especially in construction sites. Community engagement and regular monitoring and destruction of Aedes mosquitoes' habitats should be prioritized to control dengue virus outbreaks in Bangladesh.
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