@article{:/content/10.2807/1560-7917.ES.2022.27.18.2200322, author = "Björk, Jonas and Bonander, Carl and Moghaddassi, Mahnaz and Rasmussen, Magnus and Malmqvist, Ulf and Inghammar, Malin and Kahn, Fredrik", title = "COVID-19 vaccine effectiveness against severe disease from SARS-CoV-2 Omicron BA.1 and BA.2 subvariants – surveillance results from southern Sweden, December 2021 to March 2022", journal = "Eurosurveillance", year = "2022", volume = "27", number = "18", eid = 2200322, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2022.27.18.2200322", doi = "https://doi.org/10.2807/1560-7917.ES.2022.27.18.2200322" }