| Weekly totals of variants in Spain (by specimen date) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Week | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 |
| ST.1 | 41 | 43 | 68 | 70 | 47 | 23 | – | – |
| PJ.2.1 | 5 | 2 | 7 | 8 | 6 | 2 | – | – |
| TK.1 | 10 | 23 | 21 | 28 | 12 | 3 | – | – |
| TA.1 | 18 | 9 | 12 | 13 | 6 | 3 | – | – |
| Total | 151 | 164 | 187 | 204 | 129 | 38 | – | – |
| ST.1 % | 27% | 26% | 36% | 34% | 36% | 61% | – | – |
| PJ.2.1 % | 3% | 1% | 4% | 4% | 5% | 5% | – | – |
| TK.1 % | 7% | 14% | 11% | 14% | 9% | 8% | – | – |
| TA.1 % | 12% | 5% | 6% | 6% | 5% | 8% | – | – |
Last Updated: 7th October 2026 21:12 BST — Local: …
Growth Charts
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.