nourisson (2) spectacle (2) infection (2) âge (2) enfant (2) adulte (2) jeune (2) Testing (2) Pneumonia (2) Patients (2) Human beings (2) Interferon (2) Infection (2) Older people (2) Age (2) Age (2) Patients (2) Infections (2) adolescent (2) adulte (2) nourrisson (2) virus (1) mutation (1) perte (1) immunité (1) enrichissement (1) maladie (1) Finistère (1) Paris (1) Observations (1)