Reported Tuberculosis in the United States, 2012
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Table 23. Tuberculosis Cases by Cluster Status1: United States, 2010–2012
| Cluster Status | Cases | ||
|---|---|---|---|
| No. | (%) | ||
Total | 22,382 | (100.0) | |
Unique2 | 17,659 | (78.9) | |
Clustered3 | 4,723 | (21.1) | |
1 Cluster status indicates whether a case is unique or clustered within a county.
2 A unique case is a case with a spoligotype and 24 locus mycobacterial interspersed repetitive unit-variable number tandem repeat type (GENType) that does not match any other case in that county during the specified three-year time period.
3 Clustered cases are defined as two or more cases with same GENType within a county during the specified 3-year time period.
- Page last reviewed: September 16, 2013
- Page last updated: September 16, 2013
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