Lineage Y.1

Table 1 | Summary of lineage & sub-lineages



Lineage Most common countries Earliest date Number designated Number assigned Travel History Description
Y.1 Portugal 85.0%, Switzerland 7.0%, United Kingdom 4.0%, Netherlands 1.0%, Ireland 1.0% 2020-11-03 61 73 Alias of B.1.177.52.1, Portuguese lineage