1. Experimental Bacteriology Unit, Pasteur Institute Dakar, Dakar, Senegal.
2. Medical Biology Analysis Laboratory, Pasteur Institute Dakar, Dakar, Senegal.
3. Food Safeties and Environmental Hygiene Laboratory, Pasteur Institute Dakar, Dakar, Senegal.
4. Microbiology—Immunology—Infectious Pathology Laboratory, Interstate School of Veterinary Science, UCAD, Dakar, Senegal.
5. Chemical Engineering and Applied Biology Department, Polytechnic School, UCAD, Dakar, Senegal.