This article addresses the main scholarly frames that supported the deservingness of unauthorized immigrants to health benefits in the United States (U.S.) following the passage of the Personal Responsibility Work Opportunity Reconciliation Act (PRWORA), known as the Welfare Reform bill, in 1996. Based on a critical literature review, conducted between January 1997 and March 2011, this article begins with an analysis of the public health rhetorics that endorsed immigrants' inclusion into the U.S. health safety net. In this vein, the " cost-saving" and " the effortful immigrant" frames underscore immigrants' contributions to society vis-à-vis their low utilization of health services. These are complemented by a " surveillance" account that claims to protect the American public from communicable diseases. A " maternalistic" frame is also discussed as a tool to safeguard families, and particularly immigrant mothers, in their roles as bearers and caretakers of their American-born children.The analyses of the " chilling" and the " injustice" frames are then introduced to underscore major anthropological contributions to the formulation of counter-mainstream discourses on immigrants' selective inclusion into the U.S. health care system. First, the " chilling effect," defined as the voluntary withdrawal from health benefits, is examined in light of unauthorized immigrants' internalized feelings of undeservingness. Second, an " injustice" narrative highlights both the contributions and the limitations of a social justice paradigm, which advocated for the restoration of government benefits to elderly immigrants and refugees after the passage of PRWORA. By analyzing the contradictions among all these diverse frames, this paper finally reflects on the conceptual challenges faced by medical anthropology, and the social sciences at large, in advancing health equity and human rights paradigms. © 2011 Elsevier Ltd.

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