Key Takeaways This season's flu vaccine didn't work as well as usual, officials sayA new virus strain did not match the shot ...

Health officials say the 2025-2026 flu season’s vaccine offered less protection than usual, as a mutated strain of influenza ...

Were your holidays interrupted by the flu? If it feels like more people you know were under the weather this season, it's not a flu-induced fog tricking you: The virus has reached its highest levels ...

Add Yahoo as a preferred source to see more of our stories on Google. Monica Ortiz receives her flu vaccination from Rochelle Guyse, a pharmacy manager at a South Austin CVS, in 2023. Flu shots are ...

As cold weather approaches, respiratory illnesses such as influenza (flu), respiratory syncytial virus (RSV), and whooping cough become more common, increasing risks for pregnant patients and ...

Viral mismatch between circulating strains and vaccine may have weighed down effectiveness ...

Further complicating matters is the fact that even if the virus does not mutate from year to year, flu vaccine has to be administered annually, since protection from this killed virus vaccine rarely ...

Fall is approaching and that means another season is on its way, too: flu season. While influenza, or flu, spreads year-round, flu activity typically ramps up in fall and winter in this part of the ...

“Imagine getting a nasal spray in the fall months that protects you from all respiratory viruses, including COVID-19, influenza, respiratory syncytial virus, and the common cold, as well as bacterial ...