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 27.0%, Uganda 21.0%, Rwanda 14.0%, United States of America 9.0%, Canada 8.0% 2020-10-21 266 642 International lineage with a number of variants of potential biological concern, including 681R