RT Journal Article SR Electronic(1) A1 Andeweg, Stijn P A1 de Gier, Brechje A1 Vennema, Harry A1 van Walle, Ivo A1 van Maarseveen, Noortje A1 Kusters, Nina E A1 de Melker, Hester E A1 Hahné, Susan JM A1 van den Hof, Susan A1 Eggink, Dirk A1 Knol, Mirjam J YR 2023 T1 Higher risk of SARS-CoV-2 Omicron BA.4/5 infection than of BA.2 infection after previous BA.1 infection, the Netherlands, 2 May to 24 July 2022 JF Eurosurveillance VO 28 IS 7 SP 2200724 OP DO https://doi.org/10.2807/1560-7917.ES.2023.28.7.2200724 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2023.28.7.2200724