Cardiovascular deaths in Hassan, Karnataka spark urgent public health inquiry

A sudden surge in cardiovascular-related deaths in Hassan district, Karnataka, prompted state-wide concern and a flurry of medical investigations. Over a few weeks, 22 individuals, many under the age of 45 years, died of suspected heart attacks, with cases reported across age groups, including students, home-makers, and government employees. The deaths were reported between May and June 2025, with the timeline calculated from 4 July, 2025. Of the 22 deaths, five were aged 19–25 years, and eight were between 25–45 years, raising alarms about premature cardiac events. Most fatalities occurred outside hospital settings, often during routine activities, and post-mortems were not conducted in the majority of cases; thus, investigators primarily relied on medical histories and accounts from local doctors and families.

The Hassan Deputy Commissioner formed a six-member medical committee, including cardiologists and public health officials, to investigate the deaths. The Director of Hassan Institute of Medical Sciences noted that while cardiac arrest was suspected, only two cases had confirmed diagnoses, and a detailed epidemiological survey was underway. The Chief Minister ordered a broader state-level study on sudden cardiac deaths, particularly among the youth. A separate expert panel examined potential links to post-Covid complications or vaccine-related effects, although no causal link was established.

According to Dr C.N. Manjunath, former Director of Jayadeva, and Member of Parliament, the surge in young, seemingly healthy individuals experiencing fatal cardiac events was ‘cause for epidemiological concern, not panic.’ The panel emphasized the importance of distinguishing between correlation and causation. While some cases involved individuals with recent Covid-19 exposure or vaccination history, no consistent clinical pattern emerged.

Investigators are prioritising epidemiological mapping of the deaths, toxicological analysis of food and water sources, and a review of occupational, psychological, and lifestyle stressors. Dr C.N. Manjunath has called for a non-partisan, data-driven approach, cautioning against misinformation that may derail public health measures.

This unsettling cluster of deaths has reignited conversations around non-communicable disease surveillance, preventive cardiology, and the urgent need for community-level awareness. While the spike in Hassan is concerning, preliminary data suggest it may not deviate significantly from broader state trends in cardiovascular mortality. Experts emphasise the need for verbal autopsies, lifestyle audits, and early screening protocols, especially for younger populations.

SUHAS SRINIVASAN, Bharathinagara, Mandya, India

ORCID iD: 0009-0009-9519-5982