About the Authors
Swiss Tropical Institute, Basel, Switzerland
Laboratoire de Recherches Vétérinaires et Zootechniques de Farcha, N'Djaména, Tchad
Centre de Support en Santé International, N'Djaména, Tchad
Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SD SN RM CD JZ. Performed the experiments: SD SN RM MN IK. Analyzed the data: SD JZ. Contributed reagents/materials/analysis tools: SD MN IK CR. Wrote the paper: SD. Supervisor of the study, revising of the manuscript: JZ. Coordination of the study between different institutions in Chad: CD. Revising of the manuscript: MN IK CR.