Nasal vaccines offer an option to those afraid of needles, situations where mass vaccination is required, or for those seeking an at-home option, but there are restrictions on who should receive the ...

U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Last fall’s predicted surge of influenza cases, driven by the new “subclade K” mutation, is hitting U.S. emergency rooms as ...

Looking ahead to next season, the CDC continues to recommend flu vaccination for everyone 6 months and older, particularly ...

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...