Weekly totals of variants in Singapore (by specimen date)
Week 35 36 37 38 39 40 41 42
SV.4.1 – – – – – – – –
Total 22 29 25 18 17 22 – –
SV.4.1 % 0% 0% 0% 0% 0% 0% – –

Last Updated: 12th October 2026 06:12 BST — Local: …

Growth Charts

Growth chart for SV.4.1

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.