Gelderloos, Anne T.
Verheul, Marije K.
Middelhof, Irene
de Zeeuw-Brouwer, Mary-Lène
van Binnendijk, Robert S.
Buisman, Anne-Marie
van Kasteren, Puck B.
Article History
Received: 17 July 2024
Accepted: 4 September 2024
First Online: 14 September 2024
Declarations
:
: The Medical Research Ethics Committee Utrecht approved of both studies. The studies were carried out in accordance with the declaration of Helsinki and written informed consent was obtained from all participants. For older adults, recruitment focused on participants who previously participated in the Immune System and Ageing substudy of the Doetinchem Cohort Study (EudraCT: 2021–002363-22) [, ]. Younger adult participants were enrolled as part of another prospective observational cohort study (EudraCT: 2021–001357-31) []. Both cohort studies were designed to follow immune responses to COVID-19 vaccination.
: Not applicable.
: The authors declare no competing interests.