Emergence, spread and characterisation of the SARS-CoV-2 variant B.1.640 circulating in France, October 2021 to February 2022 Picard, Gwenola and Fournier, Lucie and Maisa, Anna and Grolhier, Claire and Chent, Souhaila and Huchet-Kervalla, Caroline and Sudour, Jeanne and Pretet, Maƫl and Josset, Laurence and Behillil, Sylvie and Schaeffer, Justine and Laboratory group and COVID-19 Investigation Group, Eurosurveillance, 28, 2200671 (2023), https://doi.org/10.2807/1560-7917.ES.2023.28.22.2200671