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Updated: Jun 20, 2026

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A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)
Published on: April 30, 2020
Uses of tuberculosis mortality surveillance to identify programme errors and improve database reporting.
1Serra dos Orgãos University, Rio de Janeiro, Brazil; Rio de Janeiro State Health Department, Rio de Janeiro, Brazil. lia.selig@gmail.com
Summary
Tuberculosis (TB) death surveillance in Rio de Janeiro identified gaps in TB control, including transmission risks and management errors. This surveillance improved TB reporting accuracy and informed targeted interventions.
Area of Science:
- Public Health
- Epidemiology
- Infectious Disease Control
Background:
- In 2006, Rio de Janeiro reported 848 tuberculosis (TB) deaths, with a mortality rate of 5.4 per 100,000.
- Brazil lacked specific TB death surveillance actions at the time of the study.
Purpose of the Study:
- To assess the effectiveness of TB death surveillance in identifying deficiencies within TB control programs.
- To evaluate the contribution of surveillance to improving TB management and reporting.
Main Methods:
- A survey of TB-related deaths was conducted over 12 months in two public hospitals.
- Investigated TB deaths and deaths from undefined causes, collecting data from mortality and TB notification databases.
Main Results:
- Seventy-three TB deaths were analyzed, revealing transmission risks among healthcare workers, firefighters, and inpatients.
- Identified management errors, including inadequate isolation, delayed diagnosis, incorrect dosages, and poor contact tracing.
- The surveillance led to the notification of 36 previously unreported cases and corrected outcomes for 29 others.
Conclusions:
- TB mortality surveillance is crucial for monitoring and evaluating TB control efforts.
- It effectively detects errors in program- and hospital-based care, enabling targeted interventions.
- Improved accuracy in TB database reporting and identification of specific local/programmatic needs are key outcomes.
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