Sequences seen: 222
First seen on: 2022-02-17
Last seen on: 2023-04-02
More data: https://outbreak.info/situation-reports?pango=CH.1.1.25
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.