doi: 10.1016/j.vaccine.2023.05.051. Online ahead of print. Affiliations Affiliations 1 Novavax, Inc., 21 Firstfield Rd, Gaithersburg, MD 20878, USA. Electronic address: kalves@Novavax.com. 2 Novavax, Inc., 21 Firstfield Rd, Gaithersburg, MD 20878, USA. Electronic address: jplested@Novavax.com. 3 Novavax, Inc., 21 Firstfield Rd, Gaithersburg, MD 20878, USA. Electronic address: sgalbiati@Novavax.com. 4 Novavax, Inc., 21 Firstfield Rd, Gaithersburg, MD 20878, USA. Electronic address: gchau@Novavax.com.