Weekly totals of variants in Japan
Week 19 20 21 22 23 24 25 26
NB.1.8.1 16 11 16 9 7 4
XFG 1 3 2
XFP
Total 37 29 25 10 8 5
NB.1.8.1 % 43% 38% 64% 90% 88% 80%
XFG % 3% 10% 8% 0% 0% 0%
XFP % 0% 0% 0% 0% 0% 0%

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.