The SARS-CoV-2 B.1.351 lineage (VOC β) is outgrowing the B.1.1.7 lineage (VOC α) in some French regions in April 2021 Roquebert, Bénédicte and Trombert-Paolantoni, Sabine and Haim-Boukobza, Stéphanie and Lecorche, Emmanuel and Verdurme, Laura and Foulongne, Vincent and Sofonea, Mircea T. and Alizon, Samuel, Eurosurveillance, 26, 2100447 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.23.2100447