[1] Ctr Dis Control & Prevent, Pox & Rabies Branch, Atlanta, GA 30329 USA
[2] Lab Salud Publ Dr Defillo, Santo Domingo 10105, Dominican Rep
[3] Direcc Salud Pedernales, Pedernales 84000, Dominican Rep
[4] Ctr Prevenc & Control Enfermedades Transmitidas V, Santo Domingo 10308, Dominican Rep
[5] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37830 USA
[6] Minist Agr Resources Nat & Dev Rural, Dept Anim Hlth, Ht 6110, Haiti