Public Health Informatics and the Health Information Infrastructure

What are the three core functions of public health, and how do they help shape the different foci of public health and medicine? What are the current and potential effects of a) the genomics revolution; and b) 9/11 on public health informatics? What were the political, organizational, epidemiological, and technical issues that influenced the development of immunization registries? How do registries promote public health, and how can this model be expanded to other domains (be specific about those domains) ? How might it fail in others?Why? What is the vision and purpose of the National Health Information Infrastructure? What kinds of impacts will it have, and in what time periods? Why don’t we have one already? What are the political and technical barriers to its implementation? What are the characteristics of any evaluation process that would be used to judge demonstration projects?