Evaluation of Patients' Knowledge of Their Vaccination Status and Their Relationship to Vaccination at Melun Hospital

The goal of this observational study is to learn about the rate of knowledge of own vaccination status among patients hospitalized at Melun hospital. The main questions it aims to answer are: * the rate of knowledge of its vaccination status among patients hospitalized at Melun hospital * hospitalized patients' attitude to vaccination in general. Evaluate the number of patients wishing to update their vaccination status. Observe the influence of various factors (gender, occupation, presence or absence of GP, chronic illness) on vaccination status in Melun, France Participants will be asked to complete a questionnaire during hospitalization.