Weekly totals of variants in all locations (by specimen date)
Week 02 03 04 05 06 07 08 09
XFG 1168 986 722 484 200 20
NB.1.8.1 472 400 326 207 69 9
BA.3.2 81 76 87 59 24 2
Total 1918 1621 1263 839 327 38
XFG % 61% 61% 57% 58% 61% 53%
NB.1.8.1 % 25% 25% 26% 25% 21% 24%
BA.3.2 % 4% 5% 7% 7% 7% 5%

Last Updated: 24th February 2026 21:58 GMT — Local:

Growth Charts

Growth chart for XFG
Growth chart for NB.1.8.1
Growth chart for BA.3.2

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.