Sequences seen: 5
First seen on: 2021-07-26
Last seen on: 2021-12-24
More data on outbreak.info: https://outbreak.info/situation-reports/AY.4.12
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.