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Tamil Nadu becomes the first state in India to begin dengue vaccine study
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News18•20-10-2026, 18:38
Tamil Nadu becomes the first state in India to begin dengue vaccine study
  • •Tamil Nadu has initiated a dengue vaccine study as the state faces mosquito breeding issues with the onset of the Northeast monsoon
  • •A Japanese company has developed the world's first dengue vaccine, which has received approval from the World Health Organization and India
  • •Health Minister Arunraj announced that trials for the dengue vaccine have officially begun in Tamil Nadu, making it the first state in the country to do so
  • •The vaccine trials are currently being conducted in Kadayanallur located in Tenkasi district to test suitability for the local environment
  • •Procurement and tenders for the vaccine will proceed only after successful evaluation of the trials

Key Questions Answered

Tamil Nadu has become the first state in India to initiate a dengue vaccine study under the guidance of the Chief Minister and Health Minister Arunraj, evaluating a Japanese vaccine in Tenkasi district's Kadayanallur before proceeding with procurement.

The dengue vaccine being evaluated in Tamil Nadu was discovered by a Japanese company, Takeda Pharmaceutical, and has received approval from the World Health Organization and Indian regulators.

Tamil Nadu is conducting its initial trials for the Japanese dengue vaccine in Kadayanallur within the Tenkasi district to check its suitability for the local environment.