Weekly totals of variants in Taiwan (by specimen date)
Week 28 29 30 31 32 33 34 35
NB.1.8.1 6 6 9 16 16
XFG 3 1 2
BA.3.2 1 1
Total 9 10 10 20 20
NB.1.8.1 % 67% 60% 90% 80% 80%
XFG % 0% 30% 0% 5% 10%
BA.3.2 % 11% 0% 10% 0% 0%

Last Updated: 22nd August 2026 12:58 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.