Institution: | 1.Communicable Disease Research Unit, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Contonou, Benin;2.Virology Division, National Veterinary Research Institute, Vom, Nigeria;3.CIRAD, UMR ASTRE, Montpellier, France;4.ASTRE, University Montpellier, CIRAD, INRA, Montpellier, France |