SARS Coronavirus 2 FE.1.1

**Semantic type:** Virus

**Definition:** A sublineage variant of the XBB recombinant lineage of SARS coronavirus 2. This lineage has the same amino acid variations as XBB but also harbors the amino acid substitutions S1133G and D2579G in the ORF1a protein, F456L in the spike glycoprotein and S67F in the ORF8 protein.

**Synonyms:** - FE.1.1 - Omicron - SARS Coronavirus 2 Variant Lineage FE.1.1 - SARS-CoV-2 FE.1.1 - SARS2 FE.1.1 - XBB.1.18.1.1.1