nourisson (1) spectacle (1) infection (1) âge (1) enfant (1) adulte (1) jeune (1) Cases (1) Catastrophic illness (1) Proportion (1) Population (1) Pneumonia (1) Patients (1) Human beings (1) Interferon (1) Infection (1) Immunoglobulins (1) Dead (1) Autoantibodies (1) Older people (1) Age (1) Cases (1) Case-control method (1) Age (1) Population (1) Patients (1) Infections (1) plasma (1) adolescent (1) adulte (1)