Fever cases surge in Thiruvananthapuram as officials intensify vector control and surveillance

Health authorities in Thiruvananthapuram district reported a sharp rise in fever-related illnesses during January 2026, with more than 11,000 people seeking treatment between 1 January and 22 January. Officials said the caseload includes suspected and confirmed cases across multiple conditions, and that government hospitals have been monitoring the situation closely. ([timesofindia.indiatimes.com](https://timesofindia.indiatimes.com/city/thiruvananthapuram/fever-cases-surge-in-thiruvananthapuram-over-11000-seek-treatment/articleshow/127319350.cms))

Dengue and leptospirosis among key concerns

According to the report, 27 people sought treatment for leptospirosis during the period, with 17 confirmed and one death recorded. Dengue symptoms were reported by 269 people, with 92 confirmed and two dengue-related deaths recorded. Officials also tracked acute diarrhoeal disease, chickenpox, scrub typhus, influenza and hepatitis A cases, reflecting a wider fever season burden. ([timesofindia.indiatimes.com](https://timesofindia.indiatimes.com/city/thiruvananthapuram/fever-cases-surge-in-thiruvananthapuram-over-11000-seek-treatment/articleshow/127319350.cms))

Authorities identified multiple fever ‘hotspots’ and said they stepped up surveillance, vector control and awareness drives. Residents were urged to reduce mosquito breeding by eliminating stagnant water and to seek early medical care for persistent fever. The report also flagged sanitation and rodent infestation as continuing challenges, particularly relevant for leptospirosis risk. ([timesofindia.indiatimes.com](https://timesofindia.indiatimes.com/city/thiruvananthapuram/fever-cases-surge-in-thiruvananthapuram-over-11000-seek-treatment/articleshow/127319350.cms))

• Period covered: 1–22 January 2026
• People seeking treatment: 11,000+
• Leptospirosis: 17 confirmed, 1 death (reported)
• Dengue: 92 confirmed, 2 deaths (reported)
• Response: intensified surveillance, vector control and public advisories

Officials also warned that erratic rainfall can create conditions that increase mosquito breeding, raising the importance of preventive measures at the household and community level while public health teams work to contain further spread. ([timesofindia.indiatimes.com](https://timesofindia.indiatimes.com/city/thiruvananthapuram/fever-cases-surge-in-thiruvananthapuram-over-11000-seek-treatment/articleshow/127319350.cms))