Case series of four re-infections with a SARS-CoV-2 B.1.351 variant, Luxembourg, February 2021
Staub, Thérèse and Arendt, Vic and Lasso de la Vega, Esther Calvo and Braquet, Pierre and Michaux, Christian and Kohnen, Michel and Tsobo, Chantal and Abdelrahman, Tamir and Wienecke-Baldacchino, Anke and Francois, Jean-Hugues, Eurosurveillance, 26, 2100423 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.18.2100423