WASHINGTON (AP) — Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to ...

(NEXSTAR) – New data released by the Centers for Disease Control and Prevention on Monday shows a massive spike in flu activity nationwide. In just one week, between Dec. 20 and Dec. 27, the country ...