Background: The media play an important role at the interface of science and policy by communicating scientific information to the public and policy makers. In issues of theoretical risk, in which there is scientific uncertainty, the media's role as disseminators of information is particularly important due to the potential to influence public perception of the severity of the risk. In this article we describe how the Canadian print media reported the theoretical risk of blood transmission of Creutzfeldt-Jakob disease (CJD).
The transfusion transmission of hepatitis C and HIV to thousands of Canadian blood recipients was one of this country's largest public health catastrophes. In response to this crisis, and in an effort to prevent such a tragedy from occurring again, the Canadian blood system has undergone substantial reform. Variant Creutzfeldt-Jakob (vCJD) disease was the first infectious threat faced by the blood system since undergoing reform. The response at the time to this risk provides insights into the Canadian blood system's new approach to infectious threats. Our analysis of the decision-making concerning vCJD identifies two dominant themes characterizing the new blood system's approach to safety: (1) the adoption of a precautionary approach to new risks which involves taking action in advance of definitive evidence, and (2) risk aversion amongst policy makers, which has contributed to the adoption of safety measures with comparatively high cost-effectiveness ratios. Overall the principles governing the new blood system have contributed to the system both providing protection against emerging infectious risks and regaining the confidence of the public and recipients. However, the current set of policy factors will likely contribute to increasingly risk-averse policy making that will contribute to continued increases in the cost of the blood system. The challenge the blood system now faces is to find the appropriate balance between maximizing safety and ensuring the system remains affordable.
There are striking similarities between the US and Canadian systems of journalism education. These include: the pattern of historical development; curricular emphasis; relations with professional colleagues; and future challenges. However, the paper also traces signi cant differences, among which are: the relatively stronger role of government in Canada; that country's greater emphasis on non-university education; greater curricular differentiation in US programs; the type of academic unit within which journalism study is located; and the absence of a national accreditation system in Canada. The paper attempts to explain why these similarities and differences have emerged.
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