Sequences seen: 158
First seen on: 2022-04-06
Last seen on: 2023-02-24
More data: https://outbreak.info/situation-reports?pango=BA.4.1.8
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.