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. 2007 May;11(5):562-6.

A survey of tuberculosis prevalence in Hanoi, Vietnam

T Horie  1 , L T Lien, L A Tuan, P L Tuan, S Sakurada, H Yanai, N Keicho, K Nakata
Affiliations
  • PMID: 17439682

A survey of tuberculosis prevalence in Hanoi, Vietnam

T Horie et al. Int J Tuberc Lung Dis. 2007 May.

Abstract

Objective: To assess the prevalence of tuberculosis (TB) in Hanoi, Vietnam, in 2003/2004.

Methods: A random selection was carried out involving 11624 subjects from 20 communes within the city.

Results: On chest X-ray examination, 317 subjects (2.73%) showed abnormal lung opacity, of which 17 were sputum smear-positive, two concentrated smear-positive and three culture-positive, all with active TB. The prevalence of sputum smear-positive pulmonary TB was 146 per 100000 in persons aged >or=15 years (95%CI 65-228).

Conclusion: This is the first large-scale assessment of the prevalence of TB in Hanoi. The prevalence rate was higher than expected, suggesting that a significant number of patients with active TB, particularly females, remain undiagnosed, thus representing a continuing potential source of transmission in the community.

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