1. European Plotkin Institute for Vaccinology, ULB Centre for Research in Immunology (U‐CRI) Université libre de Bruxelles Brussels Belgium
2. COVID‐19 Task Force of the Young Otolaryngologists The International Federations of Oto‐rhino‐laryngological Societies (YO‐IFOS) Paris France
3. Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology University of Mons (UMons) Mons Belgium
4. Department of Otorhinolaryngology and Head and Neck Surgery, CHU de Bruxelles, CHU Saint‐Pierre, School of Medicine Université libre de Bruxelles Brussels Belgium
5. Department of Otorhinolaryngology and Head and Neck Surgery EpiCURA Hospital Baudour Belgium
6. National Reference Center for Congenital Infections CUB‐Hôpital Erasme, ULB Brussels Belgium