India is updating its seasonal flu vaccine for the 2026-27 season to combat a rapidly spreading new A(H3N2) variant. The World Health Organization’s recommendations highlight the need for this change due to the strain’s increased transmissibility. Experts urge early vaccination, especially for vulnerable groups, to prevent severe illness and hospitalizations. India is updating its seasonal flu vaccine for the 2026-27 season to combat a rapidly spreading new A(H3N2) variant. The World Health Organization’s recommendations highlight the need for this change due to the strain’s increased transmissibility. Experts urge early vaccination, especially for vulnerable groups, to prevent severe illness and hospitalizations.