1. WHO representative, World Health Organization (WHO)-Zaire, Kinshasa, Zaire
2. Médecins Sans Frontières
3. Institut National de Recherche Biomédicale, Kinshasa, Zaire
4. Ecole de Santé Publique, Kinshasa, Zaire
5. WHO African Regional Office, Brazzaville, Congo
6. European Programme for Intervention Epidemiology Training, Brussels, Belgium
7. Emerging and other Communicable Diseases Surveillance and Control, WHO, Geneva, Switzerland
8. Epidemiology Program Office, Special Pathogen Branch and Poxvirus Section, Viral Exanthems and Herpesviruses Branch, Division of Viral and Rickettsial Diseases, National Centers for Infectious Diseases, CDC