1 Tulane School of Medicine, Tulane National Primate Research Center, New Orleans, LA.
2 Center for Vaccine Research, University of Pittsburgh, Pittsburgh, PA.
3 World Reference Center for Emerging Viruses and Arboviruses, Institute for Human Infections and Immunity, and Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston, TX.
4 U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, MD.
5 National Institutes of Health, National Institute of Allergy and Infectious Diseases, Integrated Research Facility, Fort Detrick, MD.