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Graphic: U.S. flu vaccination rates
Shaded U.S. map showing flu vaccination rates, by state, and charts showing vaccination rates by age group and race/ethnic group. Chicago Tribune 2013
January 16, 2013

Shaded U.S. map showing flu vaccination rates, by state, and charts showing vaccination rates by age group and race/ethnic group. Chicago Tribune 2013
January 16, 2013