Internet Public Opinion Diffusion Mechanism in Public Health Emergencies: Based on Entropy Flow Analysis and Dissipative Structure Determination

As an empirical case, this study selected the illegal production process incidents of rabies and DPT (Diphtheria, Pertussis, Tetanus) vaccines by Changchun Longevity Biotechnology Co., Ltd., which occurred in July 2018. Based on the four factors involved in the spread of public opinion, the public h...

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Published inFrontiers in public health Vol. 9; p. 731080
Main Authors Li, Wanlian, Zeng, Feng, Zhou, Wei, Chen, Zhishao
Format Journal Article
LanguageEnglish
Published Frontiers Media S.A 15.10.2021
Subjects
diffusion mechanism
dissipative structure determination
entropy flow analysis
Health administration
internet public opinion
Public Health
public health emergencies
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Summary:As an empirical case, this study selected the illegal production process incidents of rabies and DPT (Diphtheria, Pertussis, Tetanus) vaccines by Changchun Longevity Biotechnology Co., Ltd., which occurred in July 2018. Based on the four factors involved in the spread of public opinion, the public health emergency, netizen, network media, and government, Brusselator model, and entropy method were applied to calculate the positive and negative entropy—to verify whether the Internet public opinion system is a dissipative structure. This study verified four evolution mechanisms in Internet public opinion diffusion, among which the trigger point of entropy-control occurred in the germination mechanism, the entropy-controlled disposal point occurred in the outbreak and fluctuating mechanism, and then became latency in the elimination mechanism. It provides a theoretical reference for the government to judge the stage of such diffusion and improve the governance ability of the opinion mentioned above.
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This article was submitted to Digital Public Health, a section of the journal Frontiers in Public Health
Edited by: Kuang-Cheng Chai, Guilin University of Electronic Technology, China
Reviewed by: Yung-Shuan Chen, Dongguan University of Technology, China; Jiazheng Xia, Jiangsu Vocational Institute of Commerce, China
ISSN:2296-2565
2296-2565
DOI:10.3389/fpubh.2021.731080