SARS-CoV-2 variants of concern as of 26 January 2023 Twitter Facebook Linked In Mail Translate this page ECDC regularly assesses new evidence on variants detected through epidemic intelligence, rules-based genomic variant screening, or other scientific sources. If a decision is made to add, remove, or change the category for any variant, the tables are updated to reflect this change. The tables are regularly sent for consultation to ECDC and WHO Regional Office for Europe’s joint virus characterisation working group. The rules-based genomic screening is performed using an open source algorithm . The weekly ECDC variant surveillance data report can be found in the weekly COVID-19 country overviews published on ECDC’s website. A table with sub-lineages included for each monitored variant is available from here . More information on variants is available on the variants ta...