SARS Coronavirus 2 XBB.1.5

**Semantic type:** Virus

**Definition:** A sublineage variant of the XBB lineage with a variant spike glycoprotein amino acid substitution, F486P, which may increase its affinity for the human viral receptor angiotensin-converting enzyme 2 (ACE2).

**Synonyms:** - Omicron - SARS Coronavirus 2 Variant Lineage XBB.1.5 - SARS-CoV-2 XBB.1.5 - SARS2 XBB.1.5 - XBB.1.5