doi: 10.1016/j.jinf.2023.06.022. Online ahead of print. Affiliations Affiliations 1 Valneva Austria GmbH, Vienna, Austria. Electronic address: christian.taucher@valneva.com. 2 University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, UK. 3 Valneva Austria GmbH, Vienna, Austria. 4 Assign Data Management and Biostatistics GmbH, Stadlweg 23, 6020 Innsbruck, Austria. 5 Infection Biology Unit, German Primate Center, Kellnerweg 4, 37077, Göttingen, Germany.