University of Colorado, Aurora, University of Colorado, Aurora - Colorado School of Public Health, University of Colorado, Aurora, University of Colorado, Aurora - Colorado School of Public Health, Columbia University, Emory University, affiliation not provided to SSRN, affiliation not provided to SSRN, Emory University, Emory University, Emory University, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, University of Colorado at Denver - Colorado School of Public Health, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Fundacion para la Salud Integral de los Guatemaltecos, Government of the United States of America - National Institute of Allergy and Infectious Diseases (NIAID), Government of the United States of America - National Institute of Allergy and Infectious Diseases (NIAID), Baylor College of Medicine, Baylor College of Medicine and Baylor College of Medicine, Departments of Pediatrics, Division of Infectious Disease, and Molecular Virology and Microbiology