1. Health Economics and Modeling Unit, Division of Preparedness and Emerging Infections, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia.
2. Poxvirus and Rabies Branch, Division of High Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia.
3. Haiti Country Office, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Port-au-Prince, Haiti.
4. Direction Production et Santé Animale, Protection Sanitaire, Ministère de l'Agriculture, des Ressources Naturelles et du Développement Rural, Port-au-Prince, Haiti.
5. Epidemiology, Laboratorie and Research, Ministère de la Santé Publique et de la Population, Port-au-Prince, Haiti.