https://www.ecdc.europa.eu/en/publications-data/interim-analysis-covid-19-vaccine-effectiveness-against-hospitalisation-due-covid
Interim analysis of COVID-19 vaccine effectiveness against hospitalisation due to COVID-19 and death using electronic health records in eight European countries: first update
This report presents pooled COVID-19 vaccine effectiveness (VE) estimates for the first, second and third booster doses (compared to complete primary vaccination with no booster) against hospitalisation due to COVID-19 and COVID-19-related death in resident populations ≥50 years of age living in the community.