Researchers have for the first time captured the moment someone catches the flu. A new microscopy technique allows live observation of influenza viruses infecting living cells. Researchers from ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

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 ...

If it feels like everyone around you has come down with the flu, you're not imagining it. As of Jan. 9, the U.S. Centers for Disease Control and Prevention (CDC) estimates that at least 15 million ...

NEW YORK (AP) — U.S. flu infections showed signs of a slight decline last week, but health officials say it is not clear that this severe flu season has peaked. New government data posted Friday — for ...