Fox Health: Flu Season Worst in 3 Years, Vaccine Didn't Work Well

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Flu Season Worst in 3 Years, Vaccine Didn't Work Well

This year's flu season has shaped up to be the worst in three years, partly because the vaccine didn't work well against the viruses that made most people sick, health officials said Thursday.<img src="You are not allowed to view links. Register or Login" height="1" width="1"/>

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