Journal of Microbiology, Immunology and Infection (Oct 2021)

A novel SARS-CoV-2 IgG line-blot for evaluating discrepant IgG test results – Observations in pre-pandemic and follow-up samples of five patients

  • Andrea Steiner,
  • Mathias Pletz,
  • Bettina Löffler,
  • Michael Baier

Journal volume & issue
Vol. 54, no. 5
pp. 979 – 982

Abstract

Read online

To confirm discrepant SARS-CoV-2-IgG results in four standard assays we applied for the first time a prototype of a coronavirus IgG-line-blot which employs antigens from seasonal coronaviruses, SARS-1 and SARS-CoV-2 combined with avidity testing as a confirmatory tool in a follow-up of five cases including pre-pandemic samples.

Keywords