Tuberculosis Infection in the United States: Prevalence Estimates from the National Health and Nutrition Examination Survey, 2011-2012
Fig 2
Tuberculin skin test positive prevalence estimates from the civilian, noninstitutionalized U.S.-born population aged 6 years or older, by age group.
The orange points represent 1999–2000 prevalence estimates and the teal points represent 2011–2012 estimates. The vertical lines represent 95% confidence intervals.