Patricia V. Aguilar*, Ivorlyne P. Greene*, Lark L. Coffey*, Gladys Medina*¹, Abelardo C. Moncayo*², Michael Anishchenko*, George V. Ludwig†, Michael J. Turell‡, Monica L. O’Guinn‡, John Lee‡, Robert B. Tesh*, Douglas M. Watts†, Kevin L. Russell†, Christine Hice*, Stephen Yanoviak*, Amy C. Morrison§, Terry A. Klein‡, David J. Dohm‡, Hilda Guzman*, Amelia P.A. Travassos da Rosa*, Carolina Guevara†, Tadeusz Kochel†, James Olson†, Cesar Cabezas¶, and Scott C. Weaver* 

Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Naval Medical Research Center Detachment, Lima, Peru; ‡U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland, USA; §University of California, Davis, California, USA; ¶Instituto Nacional de Salud, Lima, Peru