NEW DELHI: An expert from the All India Institute of Medical Sciences (AIIMS) has advised the public against unnecessary panic over the current rise in influenza cases across the country. The expert clarified that the circulating virus is the familiar Influenza A (H1N1) pdm09 strain, which has been present in India since 2025 and is now considered a seasonal virus. There is no evidence of a new or more dangerous strain emerging.
The Indian Council of Medical Research (ICMR) has corroborated this, stating that H1N1 accounts for approximately 98% of Influenza A cases detected nationwide, with H3N2 making up a small fraction. While the increase in cases is substantial in some states, health authorities are treating it as a seasonal event requiring close monitoring.
National Surveillance and State-Level Trends
States such as Delhi, Maharashtra, and Uttarakhand have reported a significant surge in H1N1 cases and related hospitalizations. Delhi, for instance, recorded 2,612 H1N1 cases and over 3,300 Influenza A cases recently, prompting the government to review hospital preparedness and enhance emergency services. Larger hospitals have been directed to maintain a minimum of five to ten isolation beds for influenza and other vector-borne diseases.
Maharashtra has also seen a notable increase, with its 2026 tally of H1N1 cases already surpassing that of the entire previous year. Mumbai and Pune are identified as primary centres of infection within the state. Karnataka reported 4,212 laboratory-confirmed influenza cases across 32 districts by mid-August, with a concentration in Bengaluru. Kerala has registered 7,421 influenza cases and 88 deaths this year, though these figures encompass all types of influenza, not exclusively H1N1.
Expert Explanations and Public Health Advice
Doctors, including those from AIIMS Delhi, explain that the current surge can be attributed to the natural evolution of influenza viruses. Minor genetic changes in the virus can lead to increased susceptibility in the population, as immunity developed against older variants may be less effective against newer versions. While most cases are mild and self-limiting, with symptoms like fever, cough, and body aches, there has been an observed increase in severe cases, particularly among individuals with underlying health conditions.
Vulnerable groups, including the elderly, young children, pregnant women, and individuals with chronic lung, heart, kidney, or metabolic diseases, are at a higher risk of complications. Experts advise these groups to consult doctors promptly if symptoms worsen and to consider seasonal flu vaccination. For the general population, precautions such as wearing masks in crowded places and maintaining good hygiene are recommended.
Public health officials emphasize that while there is no need for panic, vigilance is necessary. The rise in cases is consistent with seasonal influenza activity, often observed during the monsoon and winter months. Medical professionals are monitoring the situation closely and ensuring that healthcare facilities are equipped to manage the caseload.
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The Chenab Times News Desk
