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Updated: May 21, 2026

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)
Published on: April 30, 2020
Advances in childhood tuberculosis - contributions from the University of Cape Town
Heather J Zar1, Brian Eley, Mark P Nicol
1Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town. heather.zar@uct.ac.za
Insights
Research in childhood tuberculosis (TB) has significantly improved diagnosis and prevention strategies. Advances include better diagnostic tests and effective preventive measures for HIV-infected children, enhancing overall care.
Area of Science:
- Global Health
- Infectious Diseases
- Pediatrics
Background:
- Childhood tuberculosis (TB) represents a significant health burden in high-prevalence countries.
- The human immunodeficiency virus (HIV) epidemic has profoundly influenced childhood TB incidence, diagnosis, and management.
Purpose of the Study:
- To review the contributions of University of Cape Town researchers to childhood TB research over several decades.
- To highlight advancements in the epidemiology, diagnosis, and prevention of childhood TB.
Main Methods:
- A comprehensive review of published literature on childhood TB studies conducted by University of Cape Town investigators.
- Analysis of research focusing on epidemiological understanding, diagnostic improvements, and preventive strategies.
Main Results:
- Significant progress in understanding the epidemiology of childhood TB in Cape Town.
- Improved diagnostic methods, including the use of induced sputum and advanced tests like GeneXpert (polymerase chain reaction-based), enabling confirmed diagnoses.
- Key advances in prevention, such as vaccine research, immunisation studies, and the effectiveness of isoniazid prophylaxis in HIV-infected children.
Conclusions:
- Childhood TB research has yielded substantial improvements in diagnostic accuracy and management protocols.
- These advancements facilitate enhanced care for both HIV-infected and HIV-uninfected children affected by TB.
Unlabelled:
Childhood tuberculosis (TB) is common in high TB burden countries, contributing a substantial proportion to the TB caseload. The HIV epidemic has had a large impact on the incidence, diagnosis and management of childhood TB.
Aim:
To review the contributions from researchers at the University of Cape Town to the field of childhood TB over the past decades.
Methods:
Review of published literature on studies of childhood TB done by investigators from the University of Cape Town.
Results:
Important advances have been made, especially in the areas of epidemiology, diagnosis and prevention of childhood TB. Epidemiological research has led to improved understanding of the large burden of childhood TB in Cape Town. Advances in diagnosis include use of improved specimens, particularly induced sputum and better diagnostic tests. The efficacy of GeneXpert, a rapid polymerase chain reaction (PCR)-based diagnostic test, on induced sputum specimens, has potential to enable a confirmed diagnosis in children of all ages at a range of healthcare facilities, and represents an important advance in management of children presenting with suspected TB. Advances in prevention include the establishment of a vaccine study site and several studies on immunisation, and on the use of primary isoniazid prophylaxis as an effective preventive strategy in symptomatic HIV-infected children.
Conclusion:
Research in childhood TB has led to important advances in diagnosis and management, enabling better care for HIV-infected and uninfected children.
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