puits (1) temps (durée) (1) bureau (1) besoin (1) information (1) santé (1) taux (1) Lausanne (1) Complications (1) Case (1) Age factors (1) Vaccination (1) Time (1) Reason (1) Perception (1) Patients (1) Manufacturers' agents (1) Human beings (1) Influenza vaccines (1) Influenza (1) Health (1) Grammar, Comparative and general--Case (1) Experience (1) Commission merchants (1) Change (1) Case (1) Older people (1) Patient refusal of treatment (1) Vaccination (1) Patients (1)