The aim of this study is to assess patient's quality of life 5 to 10 years after a severe bacterial infection with hospitalization in a intensive unit care. The population is derived from the DIABACT III study. The investigators will include every patient still alive. To evaluate our question, patients and their parents will answer quality of life questionnaires. The investigators will also have telephone interviews with the parents to know somatic and psychological effects on their child.

The investigators will see if quality of life and sequelae differ depending on various studied factors.

The aim of this study is to assess patient's quality of life 5 to 10 years after hospitalization in intensive car unit for a severe bacterial infection. The population is derived from DIABACT III study, and includes all patients still alive.

To evaluate their quality of life, patients and parents will answer specific questionnaries. The Pediatric Quality of Life inventory (PedSQL) has various versions for children depending on their age, adults and parents. The investigators will get physical, emotional, social and academic scores.

To assess somatic and psychological effect after the severe bacterial infection, the investigators will have telephone interviews with the parents, with many questions about organs disorders, specialized medical follow-up, medication, need physical or material assistance, financial and psychological family impact… The investigators will examine data from DIABACT III study to assess determinants of the quality of life for these patients.

Inclusion Criteria:

• Every patients from DIABACT III study still alive at the beginning of this study

Exclusion Criteria:

• Patients who did not respond to the questionnaire
• Inability to contact the patient and family
• No fixed postal address