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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 6

Characteristics of 53 patients with extensively drug-resistant TB, Argentina 2003–2009*

Characteristic No. patients % In cluster % In major cluster
Sex

M

29 79.3 58.6

F

24 75.0 58.3
Age group, y

15–29

16 81.3 50.0

30–44

24 75.0 66.7

>45

8 87.5 50.0

Unknown (adult)

5 60.0 60.0
Country of birth
Argentina 30 76.7 53.3

Other (South America)†

11 81.8 63.6

Unknown (South America)‡

11 81.8 72.7

Indonesia

1 0 0
Place of diagnosis

Former MDR TB hot spot

31 74.2 71.0

Other

22 81.8 40.9
HIV status

Positive

14 85.7 78.6

Negative

33 75.8 54.5

Unknown

6 66.7 33.3
Site of disease

Pulmonary

49 81.6 61.2

Disseminated

3 33.3 33.3

Unknown

1 0 0
Previous TB

Yes

38 71.1 50.0

No

10 90.0 70.0

Unknown

5 100.0 100.0
AFB smear microscopy

Positive

41 78.0 56.1

Negative

7 71.4 57.1

Unknown

5 75.0 75.0

*TB, tuberculosis; MDR, multidrug-resistant; AFB, acid-fast bacilli.
†From a country in South America other than Argentina
‡From an unknown country in South America.

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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