SARS-CoV-2 lineage XBB.1.9.1

Overview:

Sequences seen: 1232


First seen on: 2022-12-29

Last seen on: 2023-11-29


More data: https://outbreak.info/situation-reports?pango=XBB.1.9.1


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.