New influenza vaccine formula not a flu-ke: Don t skip the shot!

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The CDC has determined that the 2011-12 flu vaccine formula will remain the same as last season’s. But that doesn’t mean that folks who were vaccinated last year can skip the shot this year. That’s because the immunity conferred by the flu vaccine wears off in less than a year, so you won’t be protected come winter if you haven’t had another shot. According to the CDC, last year’s flu season peaked in February and saw more hospitalizations for older people but fewer among younger flu victims than during the previous year’s swine flu outbreak.