Jan 16, 2026 · A mutated, potentially severe strain of influenza A called H3N2 "subtype K" is spreading worldwide. Experts discuss what to expect in the U.S., symptoms, and whether vaccine still work.

Aug 26, 2024 · Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.

A more severe and highly contagious new strain of the flu is circulating this season. It's called subclade K, or more popularly "super flu."

Dec 22, 2025 · Here’s what you need to know about this year’s flu symptoms, plus what to do next.

Sep 27, 2025 · Infectious disease experts share the top signs of the flu in 2025 and 2026, how to distinguish flu symptoms from COVID, and what to do if you get the flu.

Flu in 2025 is hitting harder than ever with high fever, extreme fatigue, & aggressive coughs. Learn the 10 major flu symptoms, and how to manage them.

Dec 16, 2025 · New influenza symptoms 2025 explained. Learn early warning signs, unusual symptoms, high-risk groups, and when to seek medical care.

Nov 26, 2025 · Learn the key flu 2025 symptoms, new warning signs, and when to seek urgent care to stay protected during this severe season.

The 2025 flu season has turned out to be unlike any other in recent memory. This year, the flu season is marked by record-setting infections, multiple viral peaks, vaccine mismatches, and an overstretched …

Cedars-Sinai physicians discuss 2025 flu shots, prevention tips, how to manage flu symptoms for children and adults, and where to seek care for the flu.