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mcla@sun.ac.za

Mareli Claassens, PhD

Research Associate

Research Associate

Mareli Claassens is a medical doctor and an epidemiologist with extensive research experience in infectious diseases that disproportionately affect poor people. She is fascinated by challenging questions that require a trans-disciplinary approach, and loves engaging with experts from other scientific domains to flesh out hypotheses, conceptual frameworks and potential solutions. She is also a strong believer in public engagement and tries to work closely with community members and other non-scientists.

Recent publications

Van Schalkwyk, C., & M.M. Claassens. (2018) Estimating the magnitude of pulmonary tuberculosis patients missed by primary health care clinics in South Africa. International Journal of Tuberculosis and Lung Disease 22(3):264-272. doi: 10.5588/ijtld.17.0491


Claassens, M.M., C. van Schalkwyk, S. Floyd, H. Ayles & N. Beyers (2017) Symptom screening rules to identify active pulmonary tuberculosis: Findings from the Zambian South African Tuberculosis and HIV/AIDS Reduction (ZAMSTAR) trial prevalence surveys. PLOS ONE 12(3): e0172881. doi: 10.1371/journal.pone.0172881


Sattar S, Van Schalkwyk C, Claassens M, Dunbar R, Floyd S, Enarson D. A, Godfrey-Faussett P, Ayles H, Beyers N. (2014) Symptom reporting among prevalent tuberculosis cases who smoke, are HIV-positive or have hyperglycaemia. Public Health Action 4(4). doi: 10.5588/pha.14.0081.


Mareli M. Claassens, Cari van Schalkwyk, Elizabeth du Toit, Eline Roest, Carl J. Lombard, Donald A. Enarson, Nulda Beyers, and Martien W. Borgdorff. (2013) Tuberculosis in Healthcare Workers and Infection Control Measures at Primary Healthcare Facilities in South Africa. PLoS One 8(10). doi: 10.1371/journal.pone.0076272.


Claassens M, van Schalkwyk C, den Haan L, Floyd S, Dunbar R, van Helden P, Godfrey-Faussett P, Ayles H, Borgdorff M, Enarson D, Beyers N. (2013) High prevalence of tuberculosis and insufficient case detection in two communities in the Western Cape, South Africa. PLoS One 8(4). doi: 10.1371/journal.pone.0058689.


DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis