Emerging Infectious Disease ISSN: 1080-6059

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, and Frank G.J. Cobelens

Author affiliations: Pham Ngoc Thach Tuberculosis and Lung Disease Hospital, Ho Chi Minh City, Vietnam (T.N. Buu, M.N.T. Huyen, N.T.N. Lan, H.T. Quy); Tien Giang Provincial Tuberculosis and Lung Disease Hospital, My Tho, Vietnam (N.V. Hen); World Health Organization, Geneva, Switzerland (M. Zignol); KNCV Tuberculosis Foundation, The Hague, the Netherlands (M.W. Borgdorff, F.G.J. Cobelens); Academic Medical Centre, Amsterdam, the Netherlands (M.W. Borgdorff, F.G.J. Cobelens); National Institute of Public Health and the Environment, Bilthoven, the Netherlands (D. van Soolingen)

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Figure 3

Trends in case notification rates for patients with new smear-positive tuberculosis, by age, Vietnam, 1997–2006. The annual percentage changes were +4.8% for persons 15–24 years of age, –3.3% for those 25–34 years of age, –6.1% for those 35–44 years of age, –6.5% for those 45–54 years of age, –11.5% for those 55–64 years of age, and –7.8% for those >65 years of age.

Figure 3. Trends in case notification rates for patients with new smear-positive tuberculosis, by age, Vietnam, 1997–2006. The annual percentage changes were +4.8% for persons 15–24 years of age, –3.3% for those 25–34 years of age, –6.1% for those 35–44 years of age, –6.5% for those 45–54 years of age, –11.5% for those 55–64 years of age, and –7.8% for those >65 years of age.

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