Weekly totals of variants in Germany (by specimen date)
Week 44 45 46 47 48 49 50 51
NB.1.8.1 37 28 19 22 7
XFG 92 95 67 49 10
BA.3.2 5 9 1 7 6
Total 146 142 91 79 24
NB.1.8.1 % 25% 20% 21% 28% 29%
XFG % 63% 67% 74% 62% 42%
BA.3.2 % 3% 6% 1% 9% 25%

Last Updated: 16th December 2025 07:27 GMT — 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.