Weekly totals of variants in Australia (by specimen date)
Week 14 15 16 17 18 19 20 21
NB.1.8.1 21 25 45 48 31 22
Total 48 62 81 91 49 32
NB.1.8.1 % 44% 40% 56% 53% 63% 69%

Last Updated: 18th May 2026 06:58 BST — Local:

Growth Charts

Growth chart for NB.1.8.1

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.