1. CIRAD, Animal et Gestion Intégrée des Risques (AGIRs), Montpellier, France.
2. Department of Infectious and Parasitic diseases, University of Liege, Liege, Belgium.
3. College of Agriculture and Veterinary Science, University of Dhamar, Yemen.
4. CIRAD, UMR Territoires, Environnement, Télédétection et Information Spatiale (TETIS), Montpellier, France.
5. Animal Health and Vet Quarantine, Ministry of Irrigation and Agriculture of Yemen, Sana'a, Yemen.