Weekly totals of variants in Sweden
Week 26 27 28 29 30 31 32 33
NB.1.8.1 3 6 1 3 2
XFG 6 6 2 6 8 7
XFP
Total 16 16 8 11 11 8
NB.1.8.1 % 19% 38% 13% 27% 18% 0%
XFG % 38% 38% 25% 55% 73% 88%
XFP % 0% 0% 0% 0% 0% 0%

Last Updated: 14th August 2025 22:44 BST — Local:

Acknowledgements

We gratefully acknowledge GISAID and the many data contributors around the world for sharing SARS-CoV-2 sequences.

This analysis makes use of the Nextclade CLI.
Aksamentov, I., Roemer, C., Hodcroft, E. B., & Neher, R. A., (2021). Nextclade: clade assignment, mutation calling and quality control for viral genomes. Journal of Open Source Software, 6(67), 3773, https://doi.org/10.21105/joss.03773

Special thanks to Josette Schoenmakers ( @josetteschoenma.bsky.social on BlueSky @JosetteSchoenma on Twitter) for the table concepts.