Consider a health service or a health organisation.

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The Public Health Department as Part of the Wider Health Care System
A health care system consists of all the organizations, institutions, resources and people whose primary purpose is to improve health. Most organization or agency functions in and are part of a wider system in which they operate. For example, public health department is part of the wider health care system. The key organizational and service relationships wherein the public health department and the wider system of its organization and service delivery control includes the overall structure of all the other agencies and organizations that deliver health services including but not limited to: government and non-government sectors, institutions and processes that provide inputs such as staff and drugs, as well as the factors that affect each individual institutions that provide such services. Additionally, governments develop and implement procedures and policies which influence the branching health care service agencies and organization which in turn because of the interdependency, interconnectedness, and influence also affect the outcomes and achievements that the entire health systems produce and distribute-but at the public health level(Berman, 2010).

Key Components of the wider health care system
According to the WHO(2010), the key components of a solid-functioning health care system include:
• A medical products regulatory system for marketing authorization and safety monitoring, that is supported by the relevant legislation, regulatory boards, enforcement mechanisms, and access to a medical products quality control laboratory
• A national lists of essential standard medical products, national diagnostic and treatment protocols(including vaccines), and standardized equipment per levels of care, to guide procurement, reimbursement and training
• A supply and distribution system………