Funding for this research was provided by:
Ambizione-SCORE grant of the Swiss National Science Foundation (PZ00P3_161147; PZ00P3_183777)
Wellcome Intermediate Clinical Fellowship (201488/Z/16/Z)
Received: 22 October 2020
Accepted: 11 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: Ethical approval for the clinical vaccine trial was obtained from the Oxfordshire Research Ethics Committee (Reference number 11/SC/0473). Ethical permission to store and study genetic material was obtained prior to enrolment into the study, in accordance with the Oxford Vaccine Centre Biobank (10/H0504/25).
: The authors declare no conflict of interest.