1. Department of Microbiology, University of Lagos Akoka, Lagos, Nigeria
2. Molecular Biology and Biotechnology Department, Nigerian Institute of Medical Research Lagos, Lagos, Nigeria
3. De.partment of Medical Microbiology, Lagos University Teaching Hospital, Lagos, Nigeria
4. Centre Nationale de Référence de Salmonella, Laboratoire de Bactériologie et Virologie Institut Pasteur de Côte d’Ivoire, Côte d'Ivoire