All 4 dengue strains detected across 8 Indian states ahead of vaccine rollout
India's first comprehensive dengue virus mapping has identified all four serotypes circulating simultaneously across eight states. The study found DENV-2 to be the most dominant strain nationwide. Co-infections involving multiple strains are associated with more severe forms of the disease. These findings are expected to shape the country's upcoming dengue vaccination strategy. Researchers have stressed the need for continuous molecular surveillance to monitor viral trends and inform public health policy.
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