The humoral immune response more than one year after SARS-CoV-2 infection: low detection rate of anti-nucleocapsid antibodies via Euroimmun ELISA.
Gregor PaulPhilipp StrnadOliver WienandUrsula KrauseThomas PleckoAnja Effenberger-KleinKatrin Elisabeth GielFlorian JunneAnnette Galante-GottschalkStefan EhehaltJan Steffen JürgensenPublished in: Infection (2022)
N-IgG is not a reliable marker for SARS-CoV-2 infection after more than one year. In future, other diagnostic tests are needed to identify individuals with past natural infection.