About the Authors
Hôpital Ambroise-Paré, Assitance Publique—Hôpitaux de Paris, Boulogne, France
INSERM U 687, Saint-Maurice, France
University Versailles Saint-Quentin, Versailles, France
IFR 69, Villejuif, France
Progressus, Johannesburg, South Africa
National Institute for Communicable Disease, Johannesburg, South Africa
The authors have declared that no competing interests exist.
BA designed the study with DT, EL, and AP. DT and AP were responsible for operational aspects, including laboratory and field work and in-country administration of the study. BA monitored the study with input from EL and wrote the paper with input from all authors. BA analyzed the data with RS, with inputs from JST. RS conducted the interim analysis.