Weekly totals of variants in all locations (by specimen date)
Week 20 21 22 23 24 25 26 27
XFG 100 92 67 47 19 10 7
NB.1.8.1 190 166 158 133 106 99 29
BA.3.2 84 69 56 46 29 8 1
Total 411 378 340 267 181 144 44
XFG % 24% 24% 20% 18% 10% 7% 16%
NB.1.8.1 % 46% 44% 46% 50% 59% 69% 66%
BA.3.2 % 20% 18% 16% 17% 16% 6% 2%

Last Updated: 29th June 2026 21:59 BST — 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.