December 2021: Unpublished pre-print study looking at the effectiveness of COVID-19 vaccines against the SARS-CoV-2 Omicron variant of concern. Severity of Omicron variant of concern and vaccine effectiveness against symptomatic disease: national cohort with nested test negative design study in Scotland Sheikh, A; Kerr, S; Woolhouse, M; McMenamin, J & Robertson, C The University of Edinburgh (Edinburgh Research Server) Published online on: 22 December 2022 Available online at: https://www.research.ed.ac.uk/en/publications/severity-of-omicron-variant-of-concern-and-vaccine-effectiveness- Read the briefing round up from the Science Media Centre Our peer reviewed article Read the Plain English Summary of our peer reviewed article This article was published on Tuesday 24 September 2024