Funding for this research was provided by:
Wellcome Trust (204419)
Received: 20 July 2020
Accepted: 31 October 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: This study was approved by the University College London Research Ethics Committee (5683/002). The HSE obtained informed written consent for blood samples to be collected and stored for future analyses.
: Not applicable.
: GT reports personal fees from Genocea Biosciences, outside the submitted work. CJ is an Associate Editor at BMC Public Health. All other authors have no competing interests.