Bengaluru has achieved a sharp 90 percent reduction in dengue cases in July 2025, reporting just 518 infections compared to over 5,000 during the same month last year, marking one of the city’s most significant public health successes under the current administration. From January through July, the city’s dengue tally stood at only 1,761 cases—dramatically lower than the 15,282 reported in the first seven months of 2024.
Health authorities attribute this decline to markedly unfavourable monsoon conditions and a robust early intervention strategy by civic agencies. Sporadic rainfall, mild heat, and cooler nights have created a less hospitable environment for mosquito breeding. Ahead of the monsoon, BBMP deployed 700 volunteers and 240 health inspectors across the city to conduct door-to-door surveillance and eliminate potential breeding sites. In parallel, over 21,000 students and 15,000 teachers across 1,300 schools were engaged in awareness campaigns and breeding-spot identification.
Despite the overall decline, certain areas remain high-risk. Mahadevapura recorded 209 cases, followed by Bengaluru East with 109 and Bengaluru South with 82, largely due to stagnant water at construction sites—a persistent hazard during monsoon. To mitigate this, BBMP has imposed fines according to ownership type: ₹4,000 for active construction zones, ₹2,000 for commercial establishments, and ₹800 for residential premises. This year’s decline exceeds earlier estimates of a 75 percent reduction reported by mid‑2025, reflecting the accelerated impact of ongoing control measures.
Public health experts emphasise that such operating procedures and community involvement are key to sustainable vector control. “Behavioural change, surveillance and policy enforcement must persist even outside peak months to maintain momentum,” stated an epidemiologist consulting with BBMP. However, a few challenges remain. Critics point out that climate variability may offer only temporary sedation of disease vectors, while gaps in civic infrastructure—such as irregular waste disposal and poor drainage—could undermine long-term trends.
Still, the decline offers measurable evidence that proactive planning combined with civic participation can yield powerful public-health dividends. As BBMP gears up to meet its sustainability and zero-carbon goals, dengue control has emerged as a model case for equitable and eco-sensitive urban governance.
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