Dr. Mulkey receives research support from the Eunice Kennedy Shriver National Institute of Child Health & Human Development of the National Institutes of Health (grant number R01HD102445 [PI: SBM] and R01HD107140 [Co-I: SBM]) for studies on Zika virus and SARS-CoV-2, respectively. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.