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Updated: Feb 13, 2026
23:06
The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
Published on: August 11, 2008
19.7K
Recurrent tuberculosis in the pre-elimination era
Summary
Recurrent tuberculosis (TB) in low-burden countries often stems from endogenous reactivation, with risk factors including HIV and drug resistance. More research is needed to understand TB recurrence and its impact on elimination efforts.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- Recurrent tuberculosis (TB) poses a significant challenge to global TB control efforts.
- Understanding the causes and consequences of recurrent TB in low TB burden settings is crucial but currently limited.
Purpose of the Study:
- To summarize existing evidence on recurrent TB in low TB burden countries.
- To identify knowledge gaps concerning recurrent TB in these settings.
Main Methods:
- A literature review of peer-reviewed publications from countries with TB incidence <100 cases per 100,000 population.
- Quality assessment of included studies using the Newcastle-Ottawa scale.
Main Results:
- The review included 44 manuscripts (39 observational studies, 5 clinical trials).
- Median recurrent TB rate was 3.4% after treatment completion, with a median follow-up of 7.8 years.
- 81% of recurrences were attributed to endogenous reactivation, with HIV, low socioeconomic status, foreign birth, and drug-resistant TB as common risk factors.
Conclusions:
- Current understanding of TB recurrence in low-burden settings is hampered by methodological variations in studies.
- Further research is essential to clarify mechanisms, health impacts, and implications for TB elimination in low-burden countries.
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