Flu Vaccines Didn't Work that Well in the US, Officials Find

This Year's Flu Shot Didn't Do So Well

As the US flu season winds down, health officials say this year's vaccine didn't work very well: The shot had one of its worst effectiveness rates in the last two decades. A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense...

CDC report says this season's flu vaccine wasn't very effective

As flu season comes to a close, health officials reported that this year's vaccine was not very effective.

Flu vaccines didn't work that well in the U.S., officials find

NEW YORK — As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates...

Officials: Flu shots didn't work well

NEW YORK — As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade.

Officials say flu shots didn't work so well

NEW YORK — As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade.

Flu vaccines didn't work that well in the US, officials find