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Abstract |
Repeated COVID-19 Relapse of an Imported Patient Infected with SARS-CoV-2 Delta Variant of Concern |
Background: Repeated re-positive of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) B.1.617.2 (Delta) variants of concern (VOC) in recovered coronavirus disease 2019 (COVID-19) patients have not been reported yet.
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