SARS-CoV-2 dual infection with Delta and Omicron variants in an immunocompetent host: a case report

SARS-CoV-2 dual infection with Delta and Omicron variants in an immunocompetent host: a case report

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Despite the high number of SARS-CoV-2 infections, only a few cases of dual infection have been reported.Here, we describe a case of COVID-19 caused simultaneously by Delta and Omicron variants in an immunocompetent individual during the early emergence of click here Omicron variant.A 73-year-old man was hospitalized with suspected acute coronary syndrome and a positive test result for SARS-CoV-2 RNA was received during routine testing at the hospital.He experienced mild symptoms of COVID-19 and was discharged on the ninth day.

We sequenced the SARS-CoV-2 whole genome from the sample obtained on admission.The viral sequence was classified as PANGO lineage B.1.1.

10 by the Galaxy pipeline; however, on detailed manual analysis, we identified the presence of both Delta and Omicron variants.After excluding the possibilities of Disposables a recombinant virus or contamination in the sample, we confirmed the presence of dual infection in this patient.We highlight that dual infections with SARS-CoV-2 may be more common than expected but are difficult to detect during the waves of one dominant variant.