Deborah Talkington , Cheryl Bopp, Cheryl Tarr, Michele B. Parsons, Georges Dahourou, Molly Freeman, Kevin Joyce, Maryann Turnsek, Nancy Garrett, Michael Humphrys, Gerardo Gomez, Steven Stroika, Jacques Boncy, Benjamin Ochieng, Joseph Oundo, John Klena, Anthony Smith, Karen Keddy, and Peter Gerner-Smidt

Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D. Talkington, C. Bopp, C. Tarr, M.B. Parsons, M. Freeman, K. Joyce, M. Turnsek, N. Garrett, M. Humphrys, G. Gomez, S. Stroika, P. Gerner-Smidt); Centers for Disease Control and Prevention, Port-au-Prince, Haiti (G. Dahourou); CDC–Kenya Medical Research Institute, Kisumu, Kenya (B. Ochieng, J. Oundo); Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China (J. Klena); Ministry of Public Health and Population, Port-au-Prince (J. Boncy); National Institute for Communicable Diseases, Johannesburg, South Africa (A. Smith, K. Keddy)