Originally published on Fri February 22, 2013 5:47 pm
Transcript
MELISSA BLOCK, HOST:
This year's flu vaccine looks like it's not doing much to protect older people. New numbers in the Centers for Disease Control and Prevention indicate that the vaccine has only been effective about a quarter of the time for people 65 and older. NPR's Rob Stein joins me to explain what that means. And Rob, tell us more about these numbers coming from the CDC.
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