Slide 4. TB Case Rates, United States, 2010.  This map shows TB rates for 2010. Thirty-seven states reported a rate less than 3.6 TB cases per 100,000, the 2010 national average. Thirteen states and DC reported a rate above 3.6 TB cases per 100,000; these accounted for 67% of the national total in 2010 and have experienced substantial overall decreases in cases and rates from 1992 through 2010.

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