SARS Coronavirus 2 HK.3

**Semantic type:** Virus

**Definition:** A sublineage variant of the EG.5 recombinant lineage of SARS coronavirus 2. This lineage has the same amino acid variations as EG.5 but harbors the amino acid substitutions A690V and A3143V in the ORF1a protein, D54N in the ORF1b protein, and Q52H and L455F in the spike glycoprotein.

**Synonyms:** - EG.5.1.1.3 - HK.3 - Omicron - SARS Coronavirus 2 Variant Lineage HK.3 - SARS-CoV-2 HK.3 - SARS2 HK.3 - XBB.1.9.2.5.1.1.3