1. National Center for Immunization and Respiratory Diseases Centers for Disease Control and Prevention Atlanta GA USA
2. National Center for Emerging and Zoonotic Infectious Diseases Centers for Disease Control and Prevention Atlanta GA USA
3. Epidemic Intelligence Service Centers for Disease Control and Prevention Atlanta GA USA
4. Kinshasa School of Public Health Kinshasa Democratic Republic of Congo
5. U.S. Centers for Disease Control and Prevention Kinshasa Democratic Republic of Congo
6. Department of Biology University of Kinshasa Kinshasa Democratic Republic of Congo
7. Ministry of Health Kinshasa Democratic Republic of Congo
8. Institut National de Recherche Biomédicale Kinshasa Democratic Republic of Congo