Sequences seen: 6574
First seen on: 2020-10-09
Last seen on: 2022-01-12
More data: https://outbreak.info/situation-reports?pango=B.1.637
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.