Dynamics of viral shedding during ancestral or Omicron BA.1 SARS-CoV-2 infection and enhancement of pre-existing immunity during breakthrough infections oleh Carla Saade, Karen Brengel-Pesce, Alexandre Gaymard, Mary-Anne Trabaud, Gregory Destras, Guy Oriol, Valérie Cheynet, Marion Debombourg, Bouchra Mokdad, Geneviève Billaud, Antoine Oblette, Hervé Créhalet, Jean-Marc Giannoli, Christine Garrigou, Laurence Generenaz, Christelle Compagnon, André Boibieux, Bruno Lina, Florence Morfin, Bruno Pozzetto, Laurence Josset, Sophie Touillet-Assant, Antonin Bal