1. Laboratory of Vaccinology and Mucosal Immunity Université Libre de Bruxelles Brussels Belgium
2. Department of Infectious Diseases Centre Hospitalier Universitaire Saint‐Pierre, Université Libre de Bruxelles Brussels Belgium
3. Institute for Medical Immunology Université Libre de Bruxelles Brussels Belgium
4. Occupational Medicine Department Hopital Erasme, Université Libre de Bruxelles Brussels Belgium
5. VRGT & FARES Brussels Belgium