SARS-CoV-2 lineage PY.4

Overview:

Sequences seen: 6

First seen on: 2025-06-05

Last seen on: 2025-07-19

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