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Identifying COVID-19 Infections From a Vaccinated Population Using Specific IgA Antibody Test
Zhangkai J Cheng1, Peiyan Zheng1, Mingshan Xue1
1Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center of Respiratory Disease, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
Frontiers in Immunology
|February 17, 2022
Abstract:
We analyzed the serum from COVID-19 patients and vaccinated subjects, and found that the specific IgA titer level could be used to assist COVID-19 diagnosis, especially in China.
