The US too [1] has been slow to implement large-scale sequencing efforts. We have the technology to track the virus more closely [2] [3] but seem oddly unhurried to deploy it widely.

[1]: https://www.statnews.com/2021/04/06/stem-the-pandemic-nation...

[2]: https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/wast...

[3]: https://pubmed.ncbi.nlm.nih.gov/33468686/