biostudies-literatureUnknown387(14)Havervall SCenter for Innovative MedicineVetenskapsrådetLeif Lundblad Family FoundationKnut och Alice Wallenbergs StiftelseHjärt-LungfondenBill and Melinda Gates FoundationJonas & Christina af Jochnick FoundationRegion StockholmThe New England journal of medicine1333-1336https://www.ebi.ac.uk/biostudies/studies/S-EPMC9511632biostudies-literatureAnti-Spike Mucosal IgA Protection against SARS-CoV-2 Omicron Infection.PMC9511632to CTto AS-Sto KB and JKto CT and JKGordon MHober SGreilert-Norin NBacchus PSvensson JAberg MThalin CMarking UBlom KKlingstrom JHavervall SNilsson PSmed-Sorensen AfalseAnti-Spike Mucosal IgA Protection against SARS-CoV-2 Omicron Infection.2022-01-01T00:00:00Z2022 Oct2025-04-26T15:36:11.078Z2025-04-06T14:57:01.999ZS-EPMC95116323610362110.1056/NEJMc2209651