Effectiveness of Omicron JN.1 vaccination against infection with JN.1-derived SARS-CoV-2 subvariants in a prospective cohort study in the Netherlands.
INTRODUCTION We estimated vaccine effectiveness (VE) of JN.1 COVID-19 vaccination against SARS-CoV-2 infection by (sub)variant between 23 September 2024 and 23 February 2025. METHODS JN.1 vaccine-eligible participants of an ongoing prospective cohort study (VAccine Study COvid-19; VASCO) were included: individuals ag...