%0 Journal Article %A Grgič Vitek, Marta %A Klavs, Irena %A Učakar, Veronika %A Vrh, Marjana %A Mrzel, Maja %A Serdt, Mojca %A Fafangel, Mario %T mRNA vaccine effectiveness against hospitalisation due to severe acute respiratory infection (SARI) COVID-19 during Omicron variant predominance estimated from real-world surveillance data, Slovenia, February to March 2022 %D 2022 %J Eurosurveillance %V 27 %N 20 %P 2200350 %R doi:https://doi.org/10.2807/1560-7917.ES.2022.27.20.2200350 %K Slovenia %K vaccine effectiveness %K Omicron variant %K surveillance %K mRNA vaccines %K COVID-19 %K severe acute respiratory infection (SARI) %U https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2022.27.20.2200350