1Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC, Canada 2Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, WA, USA *Correspondence: Caroline E. Cameron, [email protected], 250-853-3189 The authors declare no conflicts of interest. Sources of support: Support for this work comes from funding provided to CEC from the National Institute of Allergy and Infectious Diseases (NIAID; R37AI051334 and U19AI144133) and Open Philanthropy, and a Developmental Research Project Award from U19AI144133 awarded to MCG.