SARS‐CoV‐2 Seroprevalence Trends in the Netherlands in the Variant of Concern Era: Input for Future Response

ABSTRACT Background To inform future response planning we aimed to assess SARS‐CoV‐2 trends in infection‐ and/or vaccine‐induced immunity, including breakthrough infections, among (sub)groups, professions and regions in the Dutch population during the Variant of Concern (VOC)‐era. Methods In this prospective population‐based cohort, randomly selected participants ( n = 9985) aged 1–92 years (recruited early‐2020) donated home‐collected fingerstick‐blood samples at six timepoints in 2021/2022, covering waves dominated by Alpha, Delta, and multiple Omicron (sub‐)variants. IgG antibody assessment... Mehr ...