Weekly totals of variants in all locations (by specimen date)
Week 39 40 41 42 43 44 45 46 47 48 49 50 51
XFG 3356 3289 2678 2160 1750 1352 1147 812 529 263 60 12
Total 4539 4355 3508 2778 2260 1893 1608 1149 803 448 113 17
XFG % 74% 76% 76% 78% 77% 71% 71% 71% 66% 59% 53% 71%

Last Updated: 16th December 2025 07:27 GMT — Local:

Growth Charts

Growth chart for XFG

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.