Deadly flu strain grips the US for the first time and has killed 5,000 to date
The H3N2 subclade K virus has genetically drifted from earlier J.2.4 influenza A strains, and is better at evading our immune system. Depositphotos – By Bronwyn Thompson 2026 Dec 05 – Americans are being urged to be extra vigilant this winter, as a suite …