1 Precision Vaccines Program, Division of Infectious Diseases, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA. Electronic address: al.ozonoff@childrens.harvard.edu.
2 Precision Vaccines Program, Division of Infectious Diseases, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
3 Precision Vaccines Program, Division of Infectious Diseases, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA.