1. Department of Infectious and Tropical Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
2. Clinical Investigation Center-1408, INSERM, Vaccinology, Saint-Etienne, France
3. I-REIVAC Innovative clinical research network in vaccinology, France
4. Groupe Immunité des Muqueuses et Agents Pathogènes, Jean Monnet University, University of Lyon, Saint-Etienne, France