HIV infection among tuberculosis patients in Vietnam: prevalence and impact on tuberculosis notification rates
Abstract:BACKGROUND: Vietnam has an emerging human immunodeficiency virus (HIV) epidemic (estimated population prevalence 0.5%), but valid data on HIV prevalence among tuberculosis (TB) patients are limited. Recent increases in TB notification rates among young adults may be related to HIV.
OBJECTIVES: To assess the prevalence of HIV infection among smear-positive TB patients in six provinces with relatively high HIV population prevalence in Vietnam.
METHODS: All patients who registered for treatment of smear-positive TB during the fourth quarter of 2005 were offered HIV testing.
RESULTS: Of the 1217 TB patients included in the study, 100 (8.2%) tested HIV-positive. HIV prevalence varied between 2% and 17% in the provinces, and was strongly associated with age < 35 years, injecting drug use, commercial sex work and a history of sexually transmitted disease. Among men aged 15–34 years, the rate of notification of new smear-positive TB that was attributable to HIV infection varied from 3–4 per 100 000 population in mainly rural provinces to 20–42/100 000 in provinces with rapid industrial and commercial development.
CONCLUSION: Among TB patients in Vietnam, HIV infection is concentrated in drug users, as well as in specific geographic areas where it has considerable impact on TB notification rates among men aged 15–34 years.
Document Type: Regular Paper
Publication date: August 1, 2010
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