Author information:
(1)Department of Microbiology, Perelman School of Medicine, University of 
Pennsylvania, Philadelphia, PA USA.
(2)These authors contributed equally to this work: Elizabeth M. Anderson and 
Caroline Diorio.
(3)Immune Dysregulation Frontier Program, Department of Pediatrics, Children's 
Hospital of Philadelphia, University of Pennsylvania Perelman School of 
Medicine, Philadelphia, PA, USA.
(4)Division of Oncology, Department of Pediatrics, Children's Hospital of 
Philadelphia, University of Pennsylvania Perelman School of Medicine, 
Philadelphia, PA, USA.
(5)Division of Rheumatology, Department of Pediatrics, Children's Hospital of 
Philadelphia, University of Pennsylvania Perelman School of Medicine, 
Philadelphia, PA, USA.
(6)School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 
USA.
(7)Institute for Immunology, Perelman School of Medicine, University of 
Pennsylvania, Philadelphia, PA, USA.
(8)Department of Systems Pharmacology and Translational Therapeutics, University 
of Pennsylvania, Philadelphia, PA, USA.
(9)Division of Infectious Diseases, Department of Pediatrics, Children's 
Hospital of Philadelphia, University of Pennsylvania Perelman School of 
Medicine, Philadelphia, PA, USA.
(10)Division of Allergy and Immunology, Department of Pediatrics, Children's 
Hospital of Philadelphia, University of Pennsylvania Perelman School of 
Medicine, Philadelphia, PA, USA.
(11)Department of Pathology and Laboratory Medicine, Children's Hospital of 
Philadelphia, University of Pennsylvania Perelman School of Medicine, 
Philadelphia, PA, USA.
(12)Penn Center for Research on Coronavirus and Other Emerging Pathogens, 
University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.