About the Authors

Shingai Machingaidze

missmachi@gmail.com (SM); charles.wiysonge@uct.ac.za (CSW)

SM and CSW contributed equally to this paper and share first authorship.

Affiliations Vaccines for Africa Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa, Division of Medical Microbiology, Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa

Charles S. Wiysonge

missmachi@gmail.com (SM); charles.wiysonge@uct.ac.za (CSW)

SM and CSW contributed equally to this paper and share first authorship.

Affiliations Vaccines for Africa Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa, Division of Medical Microbiology, Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa

Gregory D. Hussey

Affiliations Vaccines for Africa Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa, Division of Medical Microbiology, Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: SM CSW. Wrote the first draft of the manuscript: SM. Contributed to the writing of the manuscript: SM CSW. ICMJE criteria for authorship read and met: SM CSW GH. Agree with manuscript results and conclusions: SM CSW GH.