S.R.P. has served as a consultant for Moderna, Merck, Pfizer, Dynavax and Kamada, and led sponsored research programmes with Moderna, Pfizer, Dynavax and Kamada on CMV vaccines. I.D.E. is an unpaid champion and advocate for the United Nations Foundation’s Shot@Life initiative, which advocates for policies related to this paper. C.S. declares no competing interests.