2025 Malaria and Dengue Cases Surge in Ranchi: District-Wise Analysis Reveals Varied Incidence Rates

Ranchi: The state has recorded significant variations in malaria and dengue cases across its districts in 2025, according to the district-wise vector-borne disease (VBD) status report compiled up to September this year.

While the southern and tribal-dominated districts continue to witness higher malaria incidence, several northern and urban districts have reported comparatively fewer cases.According to the report, West Singhbhum remains the most affected district, registering 7,735 malaria cases, followed closely by East Singhbhum with 7,666 cases. Other districts with a high malaria burden include Seraikela-Kharsawan with 1,400 cases, Khunti with 1,108 cases and Sahibganj with 1,090 cases.Notably, several districts have reported low malaria incidence. While Jamtara recorded the lowest number of cases with 8, it is followed by Deoghar with 13 cases, Dhanbad with 14 cases, Koderma with 32 cases, and Ramgarh with 33 cases. The overall number of positive malaria cases across the state stands at 23,808 in 2025 (up to September), marking a continued upward trend from previous years. The total malaria cases rose from 34,087 in 2023 to 42,352 in 2024, showing an increase in transmission despite the ongoing vector-control interventions.

Meanwhile, dengue continues to pose a health challenge, especially in urban areas. The state recorded 249 dengue cases this year up to September. Ranchi reported the highest number of dengue cases at 65, followed by East Singhbhum with 50 cases. Similarly, chikungunya cases have been reported from several districts, totalling 97 cases across the state. Ranchi again topped the list with 34 chikungunya cases, followed by Pakur with 34 and Dumka with 18.

Health department officials said the govt has been focusing on intensified vector surveillance, awareness campaigns, and community participation to reduce spread of vector-borne diseases. Regular fogging operations, larval source reduction drives, and health camps were being conducted in rural and urban areas, they said.Birendra Kumar Singh, the state programme officer for vector-borne diseases, said, “The state health department is conducting active surveillance, distributing insecticide-treated mosquito nets, and carrying out extensive awareness campaigns in high-burden districts.”