India, Oct. 24 -- In July this year, India approved its first dengue vaccine. The Union Health Ministry said it would support the work already under way. That work runs from mosquito control to the diagnosis and treatment of patients. Health experts call that last part "case management". It saves lives every season, and it begins once a person is already ill.

Vector management works much earlier. A vector is a living creature that carries a disease from one person to another. For dengue, that vector is a mosquito. Vector management stops the mosquito from breeding and biting, before anyone falls sick.

Dengue numbers rise and fall. India recorded 2,89,235 cases in 2023 and 1,21,824 in 2025. In the first six months of 2026, it recorded 23...