SARS Coronavirus 2 KP.4.1

**Semantic type:** Virus

**Definition:** A sublineage variant of the JN.1.11.1 variant of SARS coronavirus 2. This lineage has the same amino acid variations as JN.1.11.1 but harbors the amino acid substitutions R346T and Q493E in the spike glycoprotein.

**Synonyms:** - B.1.1.529.2.86.1.1.11.1.4.1 - BA.2.86.1.1.11.1.4.1 - JN.1.11.1.4.1 - KP.4.1 - Omicron - SARS Coronavirus 2 Variant Lineage KP.4.1 - SARS-CoV-2 KP.4.1 - SARS2 KP.4.1