| Weekly totals of variants in Costa Rica (by specimen date) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Week | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| XFG | 7 | 10 | 16 | 28 | 25 | 4 | – | – |
| Total | 7 | 11 | 18 | 32 | 28 | 9 | – | – |
| XFG % | 100% | 91% | 89% | 88% | 89% | 44% | – | – |
Last Updated: 18th July 2026 21:58 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.