CDC Urges More Children To Get Flu Shots

For the first time, health officials are urging all kids going back to school to get a flu shot. It's one of the changes being made after last year's bad influenza season. The Food and Drug Administration has also reformulated the vaccine to better combat the virus. The vaccine was largely ineffective last year, blocking only 40 percent of the strains of influenza virus, compared to the usual 70 to 90 percent protection rate.

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