Tsui, J. L., McCrone, J. T., Lambert, B., Bajaj, S., Inward, R. P. D., Bosetti, P., …The COVID-19 Genomics UK (COG-UK) consortium¶. (2023). Genomic assessment of invasion dynamics of SARS-CoV-2 Omicron BA.1. Science, 381(6655), 336-343. https://doi.org/10.1126/science.adg6605