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Volume 18, Number 11—November 2012

Research

HIV Infection and Geographically Bound Transmission of Drug-Resistant Tuberculosis, Argentina

Viviana RitaccoComments to Author , Beatriz López, Marta Ambroggi, Domingo Palmero, Bernardo Salvadores, Elida Gravina, Eduardo Mazzeo, Susana Imaz, Lucía Barrera, and National TB Laboratory Network
Author affiliations: Instituto Nacional de Enfermedades Infecciosas ANLIS “Dr. Carlos G. Malbrán,” Buenos Aires, Argentina (V. Ritacco, B. López, E. Mazzeo, L. Barrera); Hospital “Dr. F.J. Muñiz,” Buenos Aires (M. Ambroggi, D. Palmero); Programa Provincial de Tuberculosis, Santa Fe, Argentina (B. Salvadores); Hospital Zonal General Agudos “Dr. Diego Paroissien,” La Matanza, Argentina (E. Gravina); and Instituto Nacional de Enfermedades Respiratorias “Dr. Emilio Coni” ANLIS “Dr Carlos G Malbran,” Santa Fe (S. Imaz)

Main Article

Table 7

Number of patients with extensively drug-resistant tuberculosis of different genotypes, by year, Argentina, 2003–2009

Genotype No. patients in year
Total no. (%) patients
2003 2004 2005 2006 2007 2008 2009
Cluster M 5 4 5 2 0 3 2 21 (39.6)
Cluster Rb 0 0 0 0 0 1 0 1 (1.9)
Cluster At 0 1 0 0 0 0 1 2 (3.8)
Cluster Os 0 0 2 1 2 1 1 7 (13.2)
Minor cluster* 2 1 3 3 1 1 0 11 (20.8)
Unique pattern 2 2 2 1 1 0 3 11 (20.8)
Total 9 8 12 7 4 6 7 53 (100.0)

*Cluster of <15 patients with newly diagnosed multidrug-resistant tuberculosis during the study period

Main Article

1Additional members of the National TB Laboratory Network who contributed data are listed at the end of this article.

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