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.

Andeweg, Stijn Pde Gier, BrechjeVennema, HarryVan Walle, Ivovan Maarseveen, NoortjeKusters, Nina Ede Melker, Hester EHahné, Susan Jmvan den Hof, SusanEggink, DirkKnol, Mirjam J2023-02-212023-02-212023-02-213679549910.2807/1560-7917.ES.2023.28.7.2200724http://hdl.handle.net/10029/626477enOmicron BA.2Omicron BA.4Omicron BA.5SARS-CoV-2Vaccinationprevious infectionHigher 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.Article1560-7917Euro Surveill 2023;28(7):pii.22200724