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tamar.rogoszinskiDelivering AIDS Care Equitably in the United States: AIDS became a disease that disproportionately affected the poor in America. A study done in Baltimore reported how racism and poverty were the cause of excess deaths among African Americans. Efforts were made by physicians to improve community-based care and to get physicians in impoverished areas providing high standard of care. By addressing monetary barriers between poor African Americans and healthcare, dramatic improvements were made and lives were saved. Further studies were done in rural Haiti and Rwanda, which implemented the "PIH model". This model was designed to prevent excess mortality due to AIDS by preventing poverty and social inequalities. It also focused on preventing transmission of the disease. Each of these studies proved to be successful and supported the concept that biosocial circumstances are just as vital to patient care as is the molecular basis of a disease.