Weekly totals of variants in Ireland (by specimen date)
Week 08 09 10 11 12 13 14 15
NB.1.8.1 1
XFG 2 1 2 6
BA.3.2 1 3 1
Total 2 5 1 3 6
NB.1.8.1 % 50% 0% 0% 0% 0%
XFG % 0% 40% 100% 67% 100%
BA.3.2 % 50% 60% 0% 33% 0%

Last Updated: 7th April 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.