| Weekly totals of variants in USA (by specimen date) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Week | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| RF.5 | 6 | 6 | 5 | 2 | 12 | 8 | – | – |
| Total | 53 | 43 | 29 | 30 | 34 | 26 | 1 | – |
| RF.5 % | 11% | 14% | 17% | 7% | 35% | 31% | 0% | – |
Last Updated: 25th 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.