Lineage A.23.1

Table 1 | Summary of lineage & sub-lineages



Lineage Most common countries Earliest date Number designated Number assigned Travel History Description
A.23.1 United Kingdom 50.0%, Uganda 16.0%, Rwanda 12.0%, Canada 10.0%, Belgium 4.0% 2020-10-21 95 309 International lineage with a number of variants of potential biological concern, including 681R