Volume 18, Number 11—November 2012
Research
HIV Infection and Geographically Bound Transmission of Drug-Resistant Tuberculosis, Argentina
Table 1
Patients with newly diagnosed multidrug-resistant TB, by year and genotype cluster, Argentina, 2003–2009
Genotype | No. patients |
Total no. (%) patients | ||||||
---|---|---|---|---|---|---|---|---|
2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | ||
Cluster M | 46 | 40 | 33 | 29 | 31 | 28 | 21 | 228 (29.0) |
Cluster Ra | 13 | 6 | 19 | 12 | 15 | 14 | 10 | 89 (11.3) |
Cluster Rb | 7 | 10 | 2 | 1 | 5 | 6 | 7 | 38 (4.8) |
Cluster Pr | 4 | 5 | 4 | 4 | 1 | 3 | 5 | 26 (3.3) |
Cluster At | 3 | 4 | 1 | 1 | 1 | 4 | 7 | 21 (2.7) |
Cluster Ob | 2 | 1 | 5 | 5 | 0 | 1 | 4 | 18 (2.3) |
Cluster Os | 1 | 4 | 3 | 5 | 0 | 2 | 3 | 18 (2.3) |
Minor cluster* | 25 | 24 | 19 | 18 | 10 | 24 | 31 | 151 (19.2) |
Unique | 23 | 33 | 29 | 27 | 30 | 29 | 27 | 198 (25.2) |
Total | 124 | 127 | 115 | 102 | 93 | 111 | 115 | 787 (100.0) |
*A total of 45 minor clusters were identified during the study period, each consisting of <15 new patients with multidrug-resistant tuberculosis.
1Additional members of the National TB Laboratory Network who contributed data are listed at the end of this article.