SARS Coronavirus 2 KW.1.1

**Semantic type:** Virus

**Definition:** A sublineage variant of the JN.1 variant of SARS coronavirus 2. This lineage has the same amino acid variations as JN.1 but harbors the amino acid substitutions P1640L in the ORF1a protein, R2009K in the ORF1b protein, and F456L and T572I in the spike glycoprotein.

**Synonyms:** - KW.1.1 - Omicron - SARS Coronavirus 2 Variant Lineage KW.1.1 - SARS-CoV-2 KW.1.1 - SARS2 KW.1.1