immigration is ingrained in the fabric of canada; it is part of canada’s political, social and economic profile, and immigrants and their diverse contributions have shaped the land. in the past century, technology, pharmaceuticals and improved health practices have enhanced how health care is delivered to canadians. notwithstanding these achievements, the quality and accessibility to health and social services are a poignant issue for many new immigrants. literature shows that one of the most significant factors affecting the well being of immigrants is communicable diseases. this document examines the role that social and political factors have in influencing health promotion and prevention, specifically around human immunodeficiency virus and tuberculosis. addressing these issues not only benefits immigrant populations, but it also strengthens entire communities and the country as a whole.