SARS Coronavirus 2 XDV.1

**Semantic type:** Virus

**Definition:** A variant lineage of SARS coronavirus 2 that may have originated with a recombination event between unidentified sublineages of BA.2.86 (B.1.1.529.2.86) and XBB. This recombinant lineage has amino acid variations derived from BA.2.86 for the ORF7b, ORF8, ORF10, E, M and S (spike) proteins but harbors amino acid variations derived from XBB for the ORF1a, ORF1b and N proteins.

**Synonyms:** - Omicron - Recombinant Lineage XDV.1 - Recombinant Variant XDV.1 - SARS Coronavirus 2 Variant Lineage XDV.1 - SARS-CoV-2 XDV.1 - SARS2 XDV.1 - XDV.1