Persistence at one year of neutralizing antibodies after SARS-CoV-2 infection: Influence of initial severity and steroid use. Issue 3 (March 2022) - Epaulard, Olivier; Buisson, Marlyse; Nemoz, Benjamin; Maréchal, Marion Le; Terzi, Nicolas; Payen, Jean-François; Froidure, Marie; Blanc, Myriam; Mounayar, Anne-Laure; Quénard, Fanny; Pierre, Isabelle; Pavese, Patricia; et al.