About the Authors

Ally Olotu

Aolotu@kilifi.kemri-wellcome.org

Affiliation Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya

Gregory Fegan

Affiliations Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya, Nuffield Department of Medicine, Centre for Clinical Vaccinology and Tropical Medicine, University of Oxford, Oxford, United Kingdom

Thomas N. Williams

Affiliation Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya

Philip Sasi

Affiliation Department of Clinical Pharmacology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania

Edna Ogada

Affiliation Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya

Evasius Bauni

Affiliation Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya

Juliana Wambua

Affiliation Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya

Kevin Marsh

Affiliations Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya, Nuffield Department of Medicine, Centre for Clinical Vaccinology and Tropical Medicine, University of Oxford, Oxford, United Kingdom

Steffen Borrmann

Contributed equally to this work with: Steffen Borrmann, Philip Bejon

Affiliations Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya, Department of Infectious Diseases, Heidelberg University School of Medicine, Heidelberg, Germany

Philip Bejon

Contributed equally to this work with: Steffen Borrmann, Philip Bejon

Affiliations Kenya Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research, Kilifi, Kenya, Nuffield Department of Medicine, Centre for Clinical Vaccinology and Tropical Medicine, University of Oxford, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AO PB. Performed the experiments: AO. Analyzed the data: AO GF. Contributed reagents/materials/analysis tools: AO SB JW EO TNW EB PS. Wrote the paper: AO PB SB. Assist in collation of data: AO SB JW EO TNW EB PS. Interpretation of results: AO SB PB GF KM.