This exploratory qualitative study aims to collect the health needs and representations of migrant and socially vulnerable populations attending the Doctors in the World center in Nice, and to assess their interest in collective approaches to health promotion. Semi-structured interviews were conducted between June and August 2025. Data are analyzed thematically to identify needs, barriers and facilitators to the implementation of collective health groups

Inclusion Criteria:

• Age ≥ 18 years.
• Sufficient understanding and expression in French to answer the questions.
• Migrant or socially vulnerable user attending the Médecins du Monde CASO (Reception, Care and Orientation Center) in Nice.
• Willing to participate in the interview (oral consent provided)

Exclusion Criteria:

• Minor (< 18 years).
• Non-French-speaking.
• Refusal to participate.

Migrant and/or socially vulnerable adults attending the Médecins du Monde Reception, Care and Orientation Center (CASO) in Nice