Weekly totals of variants in Australia (by specimen date)
Week 24 25 26 27 28 29 30 31
NB.1.8.1 56 54 23 32 32 9
XFG 21 6 7 7 7 2
BA.3.2 24 13 11 12 9 11
Total 106 84 47 60 57 26
NB.1.8.1 % 53% 64% 49% 53% 56% 35%
XFG % 20% 7% 15% 12% 12% 8%
BA.3.2 % 23% 15% 23% 20% 16% 42%

Last Updated: 27th July 2026 21:58 BST — 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.