2 days ago · A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to symptoms to look out for.

Nov 27, 2025 · Learn the key flu 2025 symptoms, new warning signs, and when to seek urgent care to stay protected during this severe season.

Nov 24, 2025 · There's a new flu strain that is spreading rapidly across the Northern Hemisphere at the moment. The surge in cases of the new strain has prompted health officials to warn of a …

Nov 21, 2025 · With a new strain spreading and less Americans getting vaccinated, the sick season might be brutal. Here's what to know.

Nov 30, 2025 · As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms.

Aug 26, 2024 · Symptoms Flu can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly. People who have flu often feel some or all of these …

Nov 25, 2025 · Worried about the new H3N2 flu strain? Learn how it affects flu vaccine protection, key symptoms to watch for and steps to lower your risk.

Nov 21, 2025 · Despite the new strain, the symptoms of the flu have remained the same. Early signs you have the flu can include a blocked or runny nose, sneezing, a sore throat, a hoarse …

Nov 19, 2025 · A version of this article appears in print on , Section A, Page 25 of the New York edition with the headline: This Season’s Flu Virus Appears to Be Spreading Faster and Earlier …

Nov 13, 2025 · Experts are worried that the new version of H3N2 doesn't match the strain used to create this year's flu vaccine, though such mismatches are common with seasonal flu strains. …