• Primary health care systems
• Refugee health and the health of vulnerable persons
• Social study of health systems and services

Christine is a general practitioner and health services researche. She leads the Social Foundations of Medicine group at the ANU Medical School, where she instituted a curriculum integrating the social sciences of medicine and health across all four years  of the curriculum. Christine is Medical Director of Companion House Medical Service, the ACT's refugee health care service, and has over twenty-five years of clinical experience working in primary care in the context of deep urban poverty, in settings including drug and alcohol medicine, elder care, and prison health. She is a past Chair of the Refugee Health Network of Australia, an organisation she co-founded in 2009, and has been an Advisor for UNHCR, the World Health Organisation, the Migration Council of Australia, and state and federal departments of health and human services. In 2021, she led the development of the WHO competency standards and curriculum guide for health workers working with refugees and migrants.

Awards include: Member of the Order of Australia (2020) for services to medical education, refugee and migrant health and medicine; University of New England Distinguished Alumnus (2020); Australian Awards for University Teaching Citation for Teaching Excellence (2014); ANU Vice Chancellor's Awards for excellence in teaching (2014), community outreach and engagement (2011), and programs that enhance learning  (2015); ANU International Women's Day Award for gender equity (2012); ACT Health Australia Day Award for Companion House Medical Service (2010); Rotary Australia Evaluation of Rural Health Award (2008); ANU JG Crawford Medal (1999). Her work in refugee health led to her inclusion in the National Library of Australia's Australian Women's Archive project.