spectacle (3) infection (3) âge (3) adulte (3) Patients (3) Human beings (3) Infection (3) Older people (3) Age (3) Age (3) Patients (3) adulte (3) nourisson (2) mortalité (2) enrichissement (2) maladie (2) enfant (2) jeune (2) survie (2) Mortality (2) Survival (2) Streptococcus pneumoniae (2) Streptococcus (2) Pneumonia (2) Mortality (2) Meningitis (2) Interferon (2) Immunoglobulins (2) Disease susceptibility (2) Animals (2)