région (2) association (2) infection (2) gène (2) point (2) Control (2) Social groups (2) Human beings (2) Infection (2) Number (2) cohorte (2) pointe (2) virus (1) spectacle (1) variation génétique (1) ADN (1) maladie (1) adulte (1) Variation (1) Phenotype (1) Genes (1) Major histocompatibility complex (1) Variations (1) Play (1) Molecules (1) Lymphocyte transformation (1) Ligands (1) Killer cells (1) Histocompatibility (1) Heredity (1)