About the Authors

Gaudensia Mutua

Contributed equally to this work with: Gaudensia Mutua, Eduard Sanders

Affiliation Kenya AIDS Vaccine Initiative, University of Nairobi, Nairobi, Kenya

Eduard Sanders

Contributed equally to this work with: Gaudensia Mutua, Eduard Sanders

Affiliations Kenya Medical Research Institute, Kilifi, Kenya, Nuffield Department of Medicine, University of Oxford, Headington, United Kingdom

Peter Mugo

Affiliation Kenya Medical Research Institute, Kilifi, Kenya

Omu Anzala

Affiliation Kenya AIDS Vaccine Initiative, University of Nairobi, Nairobi, Kenya

Jessica E. Haberer

Affiliation Massachusetts General Hospital Center for Global Health, Boston, Massachusetts, United States of America

David Bangsberg

Affiliation Massachusetts General Hospital Center for Global Health, Boston, Massachusetts, United States of America

Burc Barin

Affiliation The EMMES Corporation, Rockville, Maryland, United States of America

James F. Rooney

Affiliation Gilead, Foster City, California, United States of America

David Mark

Affiliation International AIDS Vaccine Initiative, New York, New York, United States of America

Paramesh Chetty

Affiliation International AIDS Vaccine Initiative, Johannesburg, South Africa

Patricia Fast

Affiliation International AIDS Vaccine Initiative, New York, New York, United States of America

Frances H. Priddy

fpriddy@iavi.org

Affiliation International AIDS Vaccine Initiative, New York, New York, United States of America

Competing Interests

Burc Barin is employed by a commercial statistical group, The EMMES Corporation. James F. Rooney is employed by a commercial funder of this study, Gilead Sciences, which supplied the active drug and placebo tablets used in this study. Gilead Sciences developed and markets the drug, Truvada, used in this trial for HIV treatment. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: FP PF ES GM JFR DB. Performed the experiments: GM ES PM OA PC DM. Analyzed the data: BB FP ES GM JH. Contributed reagents/materials/analysis tools: JFR. Wrote the paper: FP ES GM PM JH DB BB JFR PF.