1. US Centers for Disease Control and Prevention , Atlanta, Georgia , USA
2. World Health Organization Regional Office for Africa , Brazzaville , Congo
3. Center for Vaccine Development , Bamako , Mali
4. Centre Hospitalier Universitaire Pédiatrique Charles de Gaulle , Ouagadougou , Burkina Faso
5. King Faisal Hospital , Kigali , Rwanda
6. University Hospital of Yopougon , Abidjan , Cote d’Ivoire
7. Ministry of Health , Banjul , The Gambia
8. Centre Hospitalier Universitaire Sourou SANOU de Bobo Dioulasso , Bobo Dioulasso , Burkina Faso
9. University Teaching Hospital of Butare , Butare , Rwanda
10. National Public Health Reference Laboratory, Ministry of Health , Banjul , The Gambia
11. World Health Organization Country Office , Ouagadougou , Burkina Faso
12. University Teaching Hospital of Kigali , Kigali , Rwanda
13. World Health Organization Country Office , Abidjan , Cote d’Ivoire
14. Centre Hospitalier Universitaire Gabriel Touré , Bamako , Mali
15. Ministry of Health, Expanded Program on Immunizations , Ouagadougou , Burkina Faso