Qualitative antibody tests are an easy, point-of-care diagnostic method that is useful in diagnosing coronavirus disease 2019, especially in situations where reverse transcription-polymerase chain reaction is negative. However, some factors are able to affect its sensitivity and accuracy, which may contribute to these tests not being used as a first-line diagnostic tool.
Keywords: Antibody; COVID-19; Diagnosis; IgG; IgM; Serological test.
©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.