H3N2 Variant Alert: Impact of Flu Surge on U.S. Economy as of December

The ongoing spread of the H3N2 flu variant, notably the H3N2 subclade K, has generated significant concern within the United States. As of December 2025, health officials are alarmed by the mismatch in flu vaccines, which threatens to worsen the flu season. This development poses potential economic challenges, including increased healthcare expenses and disruptions in the workforce. For businesses and investors, understanding the impact of these factors is crucial to navigating the economic landscape.