SARS Coronavirus 2 XBB.1.16.6

**Semantic type:** Virus

**Definition:** A sublineage variant of the XBB.1.16 recombinant lineage of SARS coronavirus 2. This lineage has the same amino acid variations in ORF1a protein, ORF1b protein and spike glycoprotein as XBB.1.16 but harbors an additional amino acid substitution in the spike glycoprotein, F456L.

**Synonyms:** - Omicron - SARS Coronavirus 2 Variant Lineage XBB.1.16.6 - SARS-CoV-2 XBB.1.16.6 - SARS2 XBB.1.16.6 - XBB.1.16.6