Long-Term Clinical and Immunological Impact of Severe COVID-19 on a Living Kidney Transplant Recipient - A Case Report.

Front Immunol · 2021 · PMC8456079 · PMID 34567007

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It is unlikely that this event signified re-infection or re-exposure for the following reasons: (1) serial nasopharyngeal swab testing for SARS-CoV-2 RNA remained negative until month 12; (2) the patient had no clinical symptoms suggestive of re-infection; (3) His IgG titer continually decreased until M12; (4) the changes observed in levels of DCs, mDCs and B-cells showed a trend consistent with IgM levels.

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