NDLI: The symbiotic effect of online searches and vaccine administration—a nonlinear correlation analysis of baidu index and vaccine administration data

Content Provider	Springer Nature : BioMed Central
Author	Liu, Yixin Ran, Lingshi Wang, Yang Xia, Yixue
Abstract	This study primarily addresses the analytical problem of the mathematical mechanism underlying the associative impact between online searches and vaccine uptake, a relationship that has become increasingly relevant in the context of public health management. As internet search behaviors reflect public interest and sentiment, understanding their impact on vaccination trends is crucial for real-time health decision-making. A Logistic model is constructed to observe the fundamental evolutionary patterns between online searches and vaccine uptake. To explore their mutual influence, an impact function is defined, and the common structural factors with the highest fitness are determined through data fitting. Subsequently, a dynamic detection model of the associative impact between online data and societal objects, based on the mathematical mechanism, is established. Using this model, dynamic predictions are conducted to verify its predictive capability at certain stages. Through research, a symbiotic effect between online searches and vaccine uptake is identified, revealing a nonlinear correlation between the two. The model demonstrates the ability to predict vaccine uptake trends based on online search data, with certain prediction windows showing high accuracy. This research not only clarifies the mathematical mechanism underlying this relationship but also demonstrates the advantage of integrated analysis and prediction. It provides a new method for predicting online searches and vaccine uptake, offering theoretical and empirical support for public health and social science research.
Related Links	https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/s12889-025-21740-5.pdf
Ending Page	18
Page Count	18
Starting Page	1
File Format	HTM / HTML
ISSN	14712458
DOI	10.1186/s12889-025-21740-5
Journal	BMC Public Health
Issue Number	1
Volume Number	25
Language	English
Publisher	BioMed Central
Publisher Date	2025-03-12
Access Restriction	Open
Subject Keyword	Public Health Medicine Epidemiology Biostatistics Vaccine Environmental Health COVID-19 vaccination Web search Mathematical mechanism Symbiotic effect Logistic model Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health
Journal Impact Factor	3.5/2023
5-Year Journal Impact Factor	3.9/2023

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