CDC Alert: US Flu Crisis Hits 5 Million Milestone as Mutant ‘Subclade K’ Variant evades Vaccines
The United States has reached a critical tipping point in the 2025–26 respiratory season. As of December 22, 2025, the Centers for Disease Control and Prevention (CDC) reports that seasonal influenza cases have officially crossed the 4.6 million mark, rapidly approaching 5 million. The surge is being powered by a dominant and highly aggressive H3N2…