1. National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
2. WHO Infectious Hazard Management, Geneva, Switzerland
3. WHO Regional Office for Africa, Brazzaville, Congo
4. Davycas International, Ouagadougou, Burkina Faso
5. WHO Inter-Country Support Team West Africa, Ouagadougou, Burkina Faso