Inclusion Criteria:  For patients:  HIV-positive, regardless of strain or age of infection, Orally expressing his non-opposition to his participation in the study and documented in the medical file by investigator, Follow-up, placed and / or treated in one of the centers concerned by the scope of the study in Paris Region. Since informal caregivers can be included in the study by being linked to a previously included patient, the patient must agree to share the status with informal caregiver, or have previously shared their status with informal caregiver.  For informal caregiver:  Person having a caring activity, before and during the study (such as the spouse, a child, a parent, neighbor, support person, etc.), for his close patient participating in the study, Authorized by the patient to be offered the study; the patient's agreement to approach the informal caregiver will have been sought beforehand in order to prevent the lack of medical confidentiality, Person expressing orally his non-opposition to his participation in the study and documented in the medical file of the patient to whom he is helping, Person capable of understanding the questionnaires and assessments of the study and able to answer them without the assistance of a third party.  For health professionals :  Professional (health worker, nurse, coordinating physician, or other professions listed in the protocol), male or female, working in one of the study establishments recruited in Île-de-France (Nursing Home, Nurses home care services or Long-term care facilities), welcoming or having received people living with the Human Immunodeficiency Virus (HIV) , Professional volunteer to participate in the study after having been informed with the information note intended for healthcare professionals.  Exclusion Criteria:  For patients:  Patient expressing his opposition to his participation in the study, Patient who - according to the investigator - is unable to understand the study or answer the study questionnaires, Patient benefiting from a legal protection measure (guardianship and others).  For informal caregivers:  Person not having a helping activity or exercising his role of helping for remuneration, or exercising his role of helping a loved one not included in the study, Person who exercises his role of helping in the context of a voluntary or associative activity, Person expressing orally his opposition to his participation in the study and documented in the medical file of the patient to whom he is helping, Person unable to understand the questionnaires and evaluations of the study and who is not able to answer them without the help of a third party, Person having the status of legal representative of the patient as part of a legal protection measure (guardianship and others).  For health professionals :  Health professional working in the non-Francilians health or medico-social sector, Health professional opposing participation in the study.