University of California, Davis - Department of Pathology, Microbiology, and Immunology,, University of California, Davis - California National Primate Research Center, University of California, Davis - California National Primate Research Center, University of California, Davis - Department of Pathology, Microbiology, and Immunology,, University of California, Davis - Department of Pathology, Microbiology, and Immunology and University of California, Davis - California National Primate Research Center