persistance (1) anticorps (1) hôpital (1) maladie (1) delta (1) âge (1) cancer (1) Lausanne (1) Treatment (1) Control (1) Cancer (1) Viral antibodies (1) Week (1) Vaccines (1) Vaccination (1) Tumors (1) Transplantation of organs, tissues, etc (1) RNA (1) Proportion (1) Population (1) Persistence (1) Patients (1) Months (1) Messenger RNA (1) Human beings (1) Immunoglobulins (1) Immunoglobulin G (1) Days (1) Cancer (1) Autoimmune diseases (1)