COVID-19 variants identified in the UK

COVID-19 variants identified in the UK Omicron sub-lineage BA.2 designated as a variant under investigation (VUI)

The Omicron variant sub-lineage known as BA.2 has been designated a variant under investigation ( VUI-22JAN-01) by the UK Health Security Agency

See also: 

• Guidance: The R value and growth rate UK Health Security Agency
• Research: COVID-19 therapeutic agents: technical briefings UK Health Security Agency
• Research: COVID-19 vaccine weekly surveillance reports (weeks 39 to 3, 2021 to 2022) UK Health Security Agency
• Research: COVID-19 variants: genomically confirmed case numbers UK Health Security Agency