India's dengue burden has changed shape over the past two decades. What health authorities once treated as a monsoon problem now stretches across most of the calendar year. Reported cases have risen roughly elevenfold since the early 2000s, and the trend shows no sign of flattening.

In 2024 alone, India recorded over 233,000 dengue cases and close to 300 deaths, according to national surveillance figures reported by the government's vector borne disease control programme.

The following year was somewhat of a relief, with cases falling to just under 122,000, but still over 130 died. Early 2026 data points to a worrying trend. By the end of February this year, nearly 7,000 cases had already been logged, a volume that would normally take much longer to accumulate.

Public health officials describe this as an unusually early start to transmission, a signal that the disease calendar itself is shifting.Against this backdrop, the approval of India's first dengue vaccine marks a genuine milestone.

But the real question facing policymakers has little to do with the vaccine itself. It concerns whether the health system is prepared to use it well.For decades, India's approach to dengue has seen the same cycle get repeated.

Cases rise through the monsoon, hospitals fill with fever patients, fogging drives intensify, and attention fades once the rains recede. This cycle repeats with little structural change from one year to the next.

A vaccine changes what is possible, but only if it is treated as part of a wider shift in strategy rather than an added item on an immunisation calendar. India now has an opening to move from a reactive posture toward one built on anticipation.

This means identifying outbreak-prone districts before case counts spike, reducing the share of infections that progress to severe disease, building region-specific response plans rather than uniform national ones, and directing resources toward prevention before hospital wards reach capacity.

Source:Ndtv