As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more than a decade.

The US FDA’s vaccine advisors have recommended that three new influenza strains be included in next winter’s influenza vaccine, aiming in part to tamp down illness caused by subclade K, a mutated form ...

FDA advisers recommend fall flu shot changes to include the new subclade K H3N2 variant for the 2026-27 season, improving vaccine relevance.

Flu activity in Wisconsin is currently very high, yet vaccination rates have dropped by 10% since last year. Medical experts state the flu vaccine is safe, effective, and has been administered since ...

Doctors are warning people to stay vigilant as a seasonal flu virus that can lead to pneumonia and bronchitis spreads in ...

Cases of human metapneumovirus, or HMPV, are on the rise in parts of California. It typically causes mild, cold-like symptoms ...

Human metapneumovirus, or HMPV, is circulating in California. Learn what it is, symptoms, and how to prevent it.

With the reversal from the FDA, Moderna said it is aiming to make the vaccine available for the 2026-27 flu season.

CDC data suggest adult vaccination rates are up slightly this season, to 46.5%. An estimated 48% of U.S. kids were vaccinated ...