Could annual flu shot become thing of the past?

  

October 31, 2012 (WLS) -- As flu season approaches, this is the time to get your flu shot, but getting that injection annually may one day be a thing of the past

Unlike vaccines for other diseases, a flu shot is only good for one season against a particular strain of influenza.

But researchers at the University of Oxford suggest change may be on the horizon. They are working on a vaccine that will target any type of influenza virus and make annual shots unnecessary.

Imagine a "universal flu vaccine." You would get two shots when you're young and then boosters later in life. Scientists believe this reality is within our grasp.

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