Mycobacterium tuberculosis Genotype and Case Notification Rates, Rural Vietnam, 2003–2006
- Tran N. Buu
- Mai N.T. Huyen
- Nguyen N.T. Lan
- Hoang T. Quy
- Nguyen V. Hen
- Matteo Zignol
- Martien W. Borgdorff
- Dick van Soolingen
- Frank G.J. Cobelens
Publication date
October 2009
DOI Publisher
Centers for Disease Control and Prevention (CDC) Journal
Emerging Infectious DiseasesAbstract
Tuberculosis case notification rates (CNRs) for young adults in Vietnam are increasing. To determine whether this finding could reflect emergence of Mycobacterium tuberculosis Beijing genotype, we studied all new sputum smear–positive pulmonary tuberculosis patients registered for treatment in 3 rural districts in Vietnam during 2003–2006. Beijing strain infections were more frequent in younger patients (15–24 years of age, 53%) than in older patients (31%; p65 years of age, respectively (p<0.001). These findings suggest that young adults may be responsible for introducing Beijing strains into rural Vietnam
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