False-positive detection of IgM anti-severe acute respiratory syndrome coronavirus 2 antibodies in patients with rheumatoid arthritis: Possible effects of IgM or IgG rheumatoid factors on immunochromatographic assay results

Objectives: The severe acute respiratory syndrome coronavirus 2 causes coronavirus disease 2019. A serological test is conducted to determine prior infection by severe acute respiratory syndrome coronavirus 2. We investigated whether the results of anti-severe acute respiratory syndrome coronavirus...

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Bibliographic Details
Main Authors: Shomi Oka, Takashi Higuchi, Hiroshi Furukawa, Kota Shimada, Atsushi Hashimoto, Toshihiro Matsui, Shigeto Tohma
Format: Article
Language:English
Published: SAGE Publishing 2022-03-01
Series:SAGE Open Medicine
Online Access:https://doi.org/10.1177/20503121221088090