Weekly totals of variants in Australia (by specimen date)
Week 21 22 23 24 25 26 27 28
NB.1.8.1 53 44 55 31 13
XFG 12 12 9 8 2
BA.3.2 17 13 11 15 5
Total 85 72 78 55 21
NB.1.8.1 % 62% 61% 71% 56% 62%
XFG % 14% 17% 12% 15% 10%
BA.3.2 % 20% 18% 14% 27% 24%

Last Updated: 4th July 2026 21:59 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.