Emerging Infectious Diseases (Mar 2025)

Outbreak Caused by Multidrug-Resistant Mycobacterium Tuberculosis with Unusual Combination of Resistance Mutations, Northern Argentina, 2006–2022

  • Roxana Paul,
  • Federico Lorenzo,
  • Beatriz López,
  • María Gabriela Alegre,
  • David Couvin,
  • Nalin Rastogi,
  • Laura Pérez-Lago,
  • Darío García de Viedma,
  • Ana Gamberale,
  • Norma González,
  • Domingo Palmero,
  • Silvia Altabe,
  • Norberto Simboli,
  • Noemí Kaoru Yokobori

DOI
https://doi.org/10.3201/eid3103.241272
Journal volume & issue
Vol. 31, no. 3
pp. 601 – 606

Abstract

Read online

To reconstruct transmission chains of the multidrug-resistant tuberculosis Ch strain, which harbors a unique combination of resistance mutations, we analyzed genomes of 25 isolates from 12 patients with diagnosis during 2006–2022 in Chaco Province, Argentina. Amplification of resistance, high mortality rates, and indications of a wider outbreak raise concerns for surveillance programs.

Keywords