重大突发公共卫生事件中的公共信息发布：核心要素、演化路径及关键问题

 公共信息发布是重大突发公共卫生事件风险沟通的核心组成部分，是保障社会秩序的重要手段。通过系统梳理重大突发公共卫生事件国内外公共信息发布领域的研究成果，总结了重大突发公共卫生事件中公共信息发布科学设计的核心要素、事件发展多阶段演化路径。通过分析指出目前该研究领域的关键问题：在重大突发公共卫生事件的公共信息发布研究中，应重视新媒体环境下公共信息发布与舆情演化的平衡问题、公共信息发布的规范问题。

Research on public information promulgation for major public health emergencies: Core elements,evolutionary path and critical issues

Public information promulgation is the core component of risk communication in major public health emergencies and plays an important role in ensuring social order. From the perspective of the information dissemination process in major public health emergencies, and combined with the information needs of the public at different stages of the development of major public health emergencies, this research aims at formulating norms for information promulgation for major public health emergencies in China. Taking the public information promulgation as a foothold, the core elements and evolution path of public information communication in major public health emergencies are explored. There are three core elements of public information promulgation:certainty of instruction public information, moderation of explanatory public information and acceptance of credibility public information. Based on public opinion of incubation period, acute period and remission period of major public health emergencies, public information promulgation should focus on characteristics of the period. In addition, the balance, heterogeneous and standard of the public information promulgation of major public health emergencies as critical issues are revealed. The findings of the present research would be helpful in gaining the scientific methods of the public information promulgation for decision makers, so as to provide important expansion and a useful supplement for the research of emergency risk communication in China. It is hoped that this research will help promote the further improvement of the emergency management system of major public health emergencies in China, and provide a theoretical basis and methodological basis for effectively improving the efficacy of public information promulgation for Chinese emergency governance of major public health emergencies.