Sequences seen: 21
First seen on: 2023-04-10
Last seen on: 2023-08-15
More data: https://outbreak.info/situation-reports?pango=XBB.1.16.5
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.