About the Authors

Salome Dürr, Jakob Zinsstag
Swiss Tropical Institute, Basel, Switzerland

Service Naïssengar, Colette Diguimbye
Laboratoire de Recherches Vétérinaires et Zootechniques de Farcha, N'Djaména, Tchad

Rolande Mindekem
Centre de Support en Santé International, N'Djaména, Tchad

Michael Niezgoda, Ivan Kuzmin, Charles E. Rupprecht
Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Corresponding Author

jakob.zinsstag@unibas.ch

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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.