SARS-CoV-2 lineage AY.4.2

Overview:

Sequences seen: 23253

First seen on: 2021-01-01

Last seen on: 2022-03-25

More data: https://outbreak.info/situation-reports?pango=AY.4.2

Note: In the above data, "seen" refers to the date the sample was collected, unless that date was not provided for a sequence, in which case it refers to the date it was submitted to NCBI.