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U.S. Department of Health and Human Services

  

This is an archived document. The links are no longer being updated.

2000 Surveillance Slides

Primary Anti-TB Drug Resistance
United States, 1993-2000

Slide 14: Primary Anti-TB Drug Resistance, United States, 1993-2000
Slide 14: Primary Anti-TB Drug Resistance, United States, 1993-2000. Primary drug resistance is estimated for the previous 8 years. The graph starts in 1993 because this is the year in which the individual TB case reports submitted to the national surveillance system began collecting information on initial susceptibility test results (for isolates) from patients with culture-positive TB. Data were available for more than 85% of culture-positive cases for each year. Primary resistance was estimated by using data from persons with no reported prior TB episode. Resistance to at least isoniazid remained between 7 and 8%. However, resistance to at least isoniazid and rifampin (or multidrug-resistant TB [MDR TB]) decreased from 2.5% in 1993 to 1.1% in 2000, representing an actual decrease from more than 400 MDR TB cases to fewer than 150 in 2000. 

 


Released October 2008
Centers for Disease Control and Prevention
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention
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