du Preez, Karen, Osman, Muhammad ORCID: 0000-0003-3818-9729, Seddon, James A, Naidoo, Pren, Schaaf, H Simon, Munch, Zahn, Dunbar, Rory, Mvusi, Lindiwe, Dlamini, Sicelo S and Hesseling, Anneke C (2021) The Impact of the evolving human immunodeficiency virus response on the epidemiology of tuberculosis in South African children and adolescents. Clinical Infectious Diseases, 73 (4). e967-e975. ISSN 1058-4838 (Print), 1537-6591 (Online) (doi:https://doi.org/10.1093/cid/ciab095)

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Abstract

Background
Few studies have evaluated tuberculosis control in children and adolescents. We used routine tuberculosis surveillance data to quantify age- and human immunodeficiency virus (HIV)-stratified trends over time and investigate the relationship between tuberculosis, HIV, age, and sex.
Methods
All children and adolescents (0–19 years) routinely treated for drug-susceptible tuberculosis in South Africa and recorded in a de-duplicated national electronic tuberculosis treatment register (2004–2016) were included. Age- and HIV-stratified tuberculosis case notification rates (CNRs) were calculated in four age bands: 0–4, 5–9, 10–14, and 15–19 years. The association between HIV infection, age, and sex in children and adolescents with tuberculosis was evaluated using multivariable logistic regression.
Results
Of 719 400 children and adolescents included, 339 112 (47%) were 0–4 year olds. The overall tuberculosis CNR for 0–19 year olds declined by 54% between 2009 and 2016 (incidence rate ratio [IRR] = 0.46; 95% confidence interval [CI], .45–.47). Trends varied by age and HIV, with the smallest reductions (2013–2016) in HIV-positive 0–4 year olds (IRR = 0.90; 95% CI, .85–.95) and both HIV-positive (IRR = .84; 95% CI, .80–.88) and HIV-negative (IRR = 0.89; 95% CI, .86–.92) 15–19 year olds. Compared with 0- to 4-year-old males, odds of HIV coinfection among 15–19 year olds were nearly twice as high in females (adjusted odds ratio [aOR] = 2.49; 95% CI, 2.38–2.60) than in males (aOR = 1.35; 95% CI, 1.29–1.42).
Conclusions
South Africa’s national response to the HIV epidemic has made a substantial contribution to the observed declining trends in tuberculosis CNRs in children and adolescents. The slow decline of tuberculosis CNRs in adolescents and young HIV-positive children is concerning. Understanding how tuberculosis affects children and adolescents beyond conventional age bands and by sex can inform targeted tuberculosis control strategies.

Item Type:	Article
Uncontrolled Keywords:	TB-HIV; paediatric tuberculosis; programmatic tuberculosis management; tuberculosis; HIV; children; adolescents; South Africa
Subjects:	Q Science > QR Microbiology > QR355 Virology R Medicine > RJ Pediatrics
Faculty / School / Research Centre / Research Group:	Faculty of Education, Health & Human Sciences Faculty of Education, Health & Human Sciences > School of Human Sciences (HUM)
Last Modified:	16 Aug 2022 01:38
URI:	http://gala.gre.ac.uk/id/eprint/35560

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