Weekly totals of variants in Australia (by specimen date)
Week 51 52 01 02 03 04 05 06
NB.1.8.1 26 27 8 15 13 3
XFG 13 9 7 8 9 5
BA.3.2 22 21 8 7 3
Total 94 78 30 37 27 8
NB.1.8.1 % 28% 35% 27% 41% 48% 38%
XFG % 14% 12% 23% 22% 33% 63%
BA.3.2 % 23% 27% 27% 19% 11% 0%

Last Updated: 3rd February 2026 21:58 GMT — Local:

Growth Charts

Growth chart for NB.1.8.1
Growth chart for XFG
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.