2007 Surveillance Slides

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Slide 20. Primary MDR TB, United States, 1993–2007. This graph focuses on trends in primary MDR TB (based on initial isolates from persons with no prior history of TB) in the United States from 1993 through 2007. The number of MDR TB cases, represented by bars, steadily declined from 407 in 1993 to 116 in 2001. Since then the total number of MDR TB cases has fluctuated from 91 to 126 cases, with 98 cases reported for 2007. The percentage of primary MDR TB, shown by the line, decreased from 2.5% in 1993 to approximately 1.1% in 1997, and remained approximately at 1.1% up to and including 2007. Back to 2007 Surveillance Slides Main Page