This supporting document provides background information of the evolution of viral mutations and the role of sequencing and allele-specific PCR (ASP) for the rapid identification of Variants of Concern (VOC) and Variants Under Investigation (VUI).​​​

General enquiries

If you have an enquiry relating to this publication, please email

Media enquiries

If you have a media enquiry relating to this publication, please contact the Communications and Engagement team.

Requesting other formats and reporting issues

If you require publications or documents in other formats, please email

To report any issues with a publication, please email

Last updated: 13 June 2022
Was this page helpful?