Sequences seen: 272
First seen on: 2022-03-01
Last seen on: 2022-07-14
More data: https://outbreak.info/situation-reports?pango=BA.2.3.4
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.