Health & Environment
ICMR Confirms No New H1N1 Strain, Vaccines Remain Effective

ICMR Confirms No New H1N1 Strain, Vaccines Remain Effective

The Hindu1h
THE BRIEF
1

The ICMR stated on August 23, 2026, that circulating H1N1 viruses belong to the existing A/Missouri/11/2025 pdm09-like strain, dismissing fears of a new variant.

2

Current seasonal influenza vaccines are well-matched to circulating strains, with the ICMR noting that the illness is mostly self-limiting for healthy individuals.

3

Delhi has recorded 1,777 cases this year, including 114 new infections on August 20, while Karnataka has reported over 4,000 cases, primarily in Bengaluru.