%0 Journal Article %A Martínez-Baz, Iván %A Trobajo-Sanmartín, Camino %A Miqueleiz, Ana %A Casado, Itziar %A Navascués, Ana %A Burgui, Cristina %A Ezpeleta, Carmen %A Castilla, Jesús %A Guevara, Marcela %A the Working Group for the Study of COVID-19 in Navarra %T Risk reduction of hospitalisation and severe disease in vaccinated COVID-19 cases during the SARS-CoV-2 variant Omicron BA.1-predominant period, Navarre, Spain, January to March 2022 %D 2023 %J Eurosurveillance %V 28 %N 5 %P 2200337 %R doi:https://doi.org/10.2807/1560-7917.ES.2023.28.5.2200337 %K Omicron variant %K COVID-19 %K COVID-19 hospitalisation %K COVID-19 vaccine %K SARS-CoV-2 %K severe COVID-19 %U https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2023.28.5.2200337