Effective emergency preparedness and response requires leadership that can accomplish perceptive coordination and communication amongst diverse agencies and sectors. Nevertheless, operating within their specified scope of authority, preparedness leaders in characteristic bureaucratic fashion often serve to bolster the profile and import of their own organization, thereby creating a silo effect that interferes with effective systemwide planning and response. This article describes a strategy to overcome traditional silo thinking: "meta-leadership," overarching leadership that intentionally connects the purposes and work of different organizations or organizational units. Thinking and operating beyond their immediate scope of authority, meta-leaders provide guidance, direction, and momentum across organizational lines that develop into a shared course of action and a commonality of purpose among people and agencies that are doing what may appear to be very different work. Meta-leaders are able to imaginatively and effectively leverage system assets, information, and capacities, a particularly critical function for organizations with emergency preparedness responsibilities that are constrained by ingrained bureaucratic patterns of behavior.

Disasters provide a distinctive context in which to study the robustness and resilience of response systems. Therefore, in the aftermath of a large-scale crisis, every effort should be invested in forming a coalition and collecting critical lessons so they can be shared and incorporated into best practices and preparations. Novel communication strategies, flexible leadership structures, and improved information systems will be necessary to reduce morbidity and mortality during future events.

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This paper describes and analyses the public health system response to the deadly earthquake in Sichuan province, China, in May 2008. Drawing on an experiential learning project consisting of a literature review and field research, including a series of interviews with medical and public health professionals, policy-makers and first responders, a conceptual framework was developed to describe the response. This approach emphasises the pre-existing preparedness level of the medical and public health systems, as well as social, economic and geo-political factors that had an impact on mitigation efforts. This framework was used to conduct post-disaster analyses addressing major response issues and examining methods employed during the public health response to the disaster. This framework could be used to describe and analyse the emergency response to other disasters.

We developed a Connectivity Measurement Tool for the public health workforce consisting of a 34-item questionnaire found to be a reliable measure of connectivity with preliminary evidence of construct validity.