Weekly totals of variants in Singapore (by specimen date)
Week 22 23 24 25 26 27 28 29
PQ.16.1.1 65 38 50 66 21
Total 135 74 92 118 44
PQ.16.1.1 % 48% 51% 54% 56% 48%

Last Updated: 18th July 2026 21:58 BST — Local:

Growth Charts

Growth chart for PQ.16.1.1

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.