About the Authors

Helen Bygrave

Helen.bygrave@joburg.msf.org

Affiliation Southern Africa Medical Unit, Médecins Sans Frontières, Cape Town, South Africa

Judith Mtangirwa

Affiliation Southern Africa Medical Unit, Médecins Sans Frontières, Cape Town, South Africa

Kwenzakwenkosi Ncube

Affiliation Ministry of Health and Child Welfare Zimbabwe, Buhera District, Zimbabwe

Nathan Ford

Affiliations Southern Africa Medical Unit, Médecins Sans Frontières, Cape Town, South Africa, Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa

Katharina Kranzer

Affiliation Clinical Research Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

Dhodho Munyaradzi

Affiliation Medical Unit, Médecins Sans Frontières, Harare, Zimbabwe

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HB DM. Performed the statistical analysis: KK HB. Prepared the first draft of the manuscript: HB. Provided critical input to subsequent drafts of the manuscript: HB JM KN NF KK DM. Approved the final version of the manuscript: HB JM KN NF KK DM.