%0 Journal Article %J Vaccines %D 2023 %T Association between COVID-19 Primary Vaccination and Severe Disease Caused by SARS-CoV-2 Delta Variant among Hospitalized Patients: A Belgian Retrospective Cohort Study %A Queeny Robalo %A Laurane De Mot %A Mathil Vandromme %A Nina Van Goethem %A Andrea Gabrio %A Pui Yan Jenny Chung %A Marjan Meurisse %A Lucy Catteau %A Carel Thijs %A Koen Blot %B Vaccines %V 11 %8 Jan-01-2023 %G eng %N 1 %R 10.3390/vaccines11010014