Weekly totals of variants in all locations (by specimen date)
Week 39 40 41 42 43 44 45 46 47 48 49 50 51
BA.3 3 14 3 7 7 12 26 12 23 26 8 2
Total 4539 4355 3508 2778 2260 1893 1608 1149 803 448 113 17
BA.3 % 0% 0% 0% 0% 0% 1% 2% 1% 3% 6% 7% 12%

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

Growth Charts

Growth chart for BA.3

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.