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6th Oct, 2026 12:00 AM
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Bangladesh Considers Dengue Vaccine Trials as Outbreak Worsens

DHAKA, Oct 6 (Reuters) - Bangladesh is considering carrying out clinical trials of a vaccine against dengue fever after thousands ⁠of patients have been hospitalised with the disease and hundreds have died, a minister said on Tuesday.

More ⁠than 90,350 people have been hospitalised with dengue and 281 have died since the beginning ⁠of the year, according to ‌health ministry data.

As the outbreak has intensified, in October alone, 10,736 people have been hospitalised and 36 people have died in a country whose healthcare system is also under severe pressure from a measles outbreak that has killed more than 1,100 ‌children.

Recent rainfall has created perfect conditions for mosquito breeding, raising concerns ​the outbreak ‌of dengue could get worse. ‌Spread by mosquito bites, the virus can cause fever and severe muscle and joint pain.

Article Key Points
  • Bangladesh considering dengue vaccine trials amid worsening outbreak.
  • >90,350 hospitalized; 281 deaths reported since year start.
  • October surge: 10,736 hospitalizations + 36 deaths.
  • All 4 dengue serotypes detected; repeat infections more likely.
  • Severe rainfall ↑ mosquito breeding; spraying alone unlikely to curb transmission.
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State Minister ⁠for Health M.A. Muhit told reporters all four ‌variants of the virus ⁠had been detected, which makes ​it more likely people will be ‌repeatedly infected as immunity to one variant, or serotype, does not make them immune to the other three.

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"With all four dengue serotypes now circulating in ​Bangladesh, we are considering conducting vaccine trials in the ‌country," ‌Muhit said.

Health experts have said dengue is no longer just concentrated in major ‌cities and that spraying ​will not curb transmission unless breeding sites can be eliminated.

Any vaccine trial, which could be part of a longer-term strategy to deal with ⁠the disease, would require regulatory approval.

Bangladesh suffered its deadliest dengue ‌outbreak on record in 2023, when more than 1,700 people died.

(Reporting by ​Ruma Paul; editing by Barbara Lewis)

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