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In the past decades, public health has increasingly addressed what has been called the children's obesity 'epidemic', most notably through large-scale initiatives promoting physical activity. Through a discourse analysis the current paper critically examines such efforts in Canadian and Australian public health. Public health websites in Canada and Australia were examined for information concerning children's health, physical activity and obesity and explored for how these issues were represented in the discourse. Bacchi's (2009) 'What's the problem represented to be?' approach to discourse analysis guided our interrogation of the taken-for-granted assumptions underlying Canadian and Australian public health discourse, the ideological and political influences involved in its construction, and the knowledge base upon which it rests. The article calls for critical reflection on how children's physical and leisure activities are being advanced. [ABSTRACT FROM AUTHOR]

This paper examines the construction of avian influenza in Australian media and federal government policy, with a focus placed on discourses of contagion, preparedness and risk. The threat of an infectious disease outbreak, such as avian influenza, on social life is surrounded by a range of collective narratives which attempt to make it explicable. These narratives socially define the disease and provide explanations for its existence. The paper demonstrates that central to these narratives are depictions of the source of the outbreak and suggestions of appropriate responses to the threat. Methodologically, a narrative analysis of print media and government documents was conducted. This showed that conceptually both government and media discourses could be understood in terms of risk, contagion and blame. Furthermore, it was found that narratives linking the risk of avian influenza with globalised interconnectedness and contagion by the developing world underpin discourses of causation and frame the reactions to and preparation for a potential outbreak. [ABSTRACT FROM AUTHOR]