Flu season taking an ‘early and aggressive’ turn due to new variant: Former surgeon general Former surgeon general Dr. Jerome Adams explains how a new flu variant circulating the U.S. is causing record numbers of hospitalizations on ‘Special Report.’ NEW You can now listen to Fox News articles! The U.S. is in the thick of flu season , with many states reporting "moderate to very high activity" of influenza-like illness, according to the CDC. With influenza A (H3N2), or subclade K , making up a