Dengue Cases in Tricity Drop Sharply in 2025

Strategic Insights -

The Tricity has reported a 95 per cent decrease in dengue cases this year, from over 3,173 cases in 2024 to just over 160 cases from January to October. This is the lowest figure recorded in the past four years. The Health Department attributes the steep decline to a change in rainfall patterns and preventive measures taken by the administration.

Key Takeaways:

  • Dengue cases in the Tricity have decreased by 95% in 2025 compared to 2024, from 3,173 cases to 160 cases.
  • The lowest figure recorded in the past four years, with only 12 cases reported in Chandigarh so far.
  • Experts believe the change in rainfall patterns and preventive measures taken by the Health Department are the main reasons for the steep decline.
  • Despite heavier rainfall in 2025, dengue cases did not increase, with the administration successfully preventing water stagnation and destroying mosquito breeding sites.
  • The Health Department has taken extensive preventive measures, including awareness campaigns and door-to-door checks for larvae, and has issued notices, show-cause letters, and fines to violators.
  • Public awareness is seen as a major factor in the decline of dengue cases, with messages urging people to not let water collect in flowerpots, buckets, and other containers showing good results.

Statistics:

  • 3,173: Number of dengue cases reported in the Tricity in 2024.
  • 160: Number of dengue cases reported in the Tricity from January to October 2025.
  • 95%: Percentage decrease in dengue cases in 2025 compared to 2024.
  • 12: Number of dengue cases reported in Chandigarh so far in 2025.
  • 349: Number of dengue cases reported in Chandigarh in 2024.
  • 836 mm: Amount of rainfall received in the city between June and September 2025.
  • 776.2 mm: Amount of rainfall received in the city between June and September 2024.

Sources:

  • The Indian Express (P) Ltd Copyright 2025 IE Online Media Services Pvt. Ltd., distributed by Contify.com
  • Health Department data
  • Dr Suman Singh, Director of Health Services, quoted in The Indian Express
  • Health Department officials, quoted in The Indian Express