Victoria M Velazquez1, Arash Grakoui2. 1. Emory Vaccine Center, Division of Microbiology and Immunology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia. 2. Emory Vaccine Center, Division of Microbiology and Immunology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia. Electronic address: arash.grakoui@emory.edu.