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All Four Dengue Strains Now Circulating in India — Vaccine Rollout Gets Complicated
Times of India·Thursday, 30 July 2026
India's first dengue virus mapping has found all four serotypes active across eight states. Researchers identified DENV-2 as the dominant strain. Concurrent infections with multiple strains are linked to more severe disease.
Why It Matters
Dengue affects lakhs of Indians every monsoon season — knowing which strains are circulating matters for how doctors treat patients and how the government plans its vaccine strategy.
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