| Weekly totals of variants in Costa Rica | ||||||||
|---|---|---|---|---|---|---|---|---|
| Week | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 |
| NB.1.8.1 | 2 | – | 1 | – | – | – | – | – |
| XFG | 16 | 7 | 6 | 4 | – | – | – | – |
| XFP | – | – | – | – | – | – | – | – |
| Total | 50 | 28 | 27 | 15 | 1 | – | – | – |
| NB.1.8.1 % | 4% | 0% | 4% | 0% | 0% | – | – | – |
| XFG % | 32% | 25% | 22% | 27% | 0% | – | – | – |
| XFP % | 0% | 0% | 0% | 0% | 0% | – | – | – |
Last Updated: 6th September 2025 16:44 BST — Local: …
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.