Weekly totals of variants in all locations (by specimen date)
Week 51 52 01 02 03 04 05 06
XFG 1219 899 876 738 382 93 5
NB.1.8.1 394 340 324 324 219 51 3
BA.3.2 139 101 63 51 22 6
Total 2009 1491 1404 1236 684 193 15
XFG % 61% 60% 62% 60% 56% 48% 33%
NB.1.8.1 % 20% 23% 23% 26% 32% 26% 20%
BA.3.2 % 7% 7% 4% 4% 3% 3% 0%

Last Updated: 3rd 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.