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The Times of India

Top News / The Times of India

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Ahead of dengue vaccine rollout, all 4 strains found in circulation

India's first dengue virus mapping shows all four serotypes circulating in eight states. This finding could influence the country's upcoming dengue vaccine strategy. Researchers found DENV-2 to be the dominant circulating strain across the nation. Concurrent infections with multiple strains are linked to more severe dengue disease. Continuous molecular surveillance is essential for monitoring virus circulation and guiding policy.

30 Jul 2026 2:23 am