Ragon Institute of MGH, MIT and Harvard, Ragon Institute of MGH, MIT and Harvard, Ragon Institute of MGH, MIT and Harvard, University of Texas Medical Branch-Galveston - Department of Pathology, University of Texas Medical Branch-Galveston - Department of Pathology, Ragon Institute of MGH, MIT and Harvard, La Jolla Institute for Allergy and Immunology (LIAI), Ragon Institute of MGH, MIT and Harvard, Ragon Institute of MGH, MIT and Harvard, Ragon Institute of MGH, MIT and Harvard, Ragon Institute of MGH, MIT and Harvard, Hokkaido University - Division of Global Epidemiology, University of Wisconsin - Madison - Department of Pathobiological Sciences, University of Wisconsin - Madison - Influenza Research Institute, Scripps Research Institute - Department of Immunology and Microbiology, Kenema Government Hospital - Viral Hemorrhagic Fever Program, Kenema Government Hospital - Viral Hemorrhagic Fever Program, Kenema Government Hospital - Viral Hemorrhagic Fever Program, The Scripps Research Institute - Department of Immunology and Microbiology, Tulane University - Department of Pediatrics, Kenema Government Hospital - Viral Hemorrhagic Fever Program, Tulane University - Department of Microbiology and Immunology, La Jolla Institute for Allergy and Immunology (LIAI), University of Texas Medical Branch-Galveston - Department of Pathology and Ragon Institute of MGH, MIT and Harvard