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Paper prepared by聽UKHSA聽on the聽SARS-CoV-2聽Omicron BA.2 variant. This paper was available for participants to read at SAGE 104 on 28 January 2022, but not considered or discussed in the meeting.

The paper is the assessment of the evidence at the time of writing. As new evidence or data emerges,聽SAGE聽updates its advice accordingly.

See more information on recent SARS-CoV-2 variants of concern.

These documents are released as pre-print publications that have provided the government with rapid evidence during an emergency. These documents have not been peer-reviewed and there is no restriction on authors submitting and publishing this evidence in peer-reviewed journals.