Inclusion Criteria:  A) Patients  Male or female, age range 9 to 18 years old. Diagnosed with JIA. Speaking and understanding English. Willing and able to provide consent if 16-18 years old, or have a parent/carer to provide consent and able to provide assent if the participant is <16. Having the access to telephone/video call for those who wish to have distance interview.  B) Parent/Carer  parent or caregiver of a child with JIA. Willing and able to give informed consent for their own and their child's participation (if the child is under 16 years of age). Having the access to telephone/video call for those who wish to have distance interview. Speaking and understanding English. C) Healthcare professionals Willing and able to give informed consent. Clinical HCP with at least 2-year experience in treating children and young people with JIA. Academic in the field of clinical research in the treatment of JIA. Having the access to telephone/video call for those who wish to have distance interview. Speaking and understanding English.  Exclusion Criteria:  Individuals will be excluded from the study if ANY of the following apply:  A) Patient  They have been diagnosed JIA but older than 18 years old. Unable to speak and understand English. B) Healthcare professionals  HCP with insufficient experience in JIA management.  They have less than two years of managing/treating JIA patients. They have worked in this field but have stopped for two years or more.