4.5 Article

Retrospective analysis of the possibility of predicting the COVID-19 outbreak from Internet searches and social media data, China, 2020

Journal

EUROSURVEILLANCE
Volume 25, Issue 10, Pages 7-11

Publisher

EUR CENTRE DIS PREVENTION & CONTROL
DOI: 10.2807/1560-7917.ES.2020.25.10.2000199

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Funding

  1. Grant for Key Disciplinary Project of Clinical Medicine under the Guangdong High-level University Development Program [002-18119101]

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The peak of Internet searches and social media data about the coronavirus disease 2019 (COVID-19) outbreak occurred 10-14 days earlier than the peak of daily incidences in China. Internet searches and social media data had high correlation with daily incidences, with the maximum r> 0.89 in all correlations. The lag correlations also showed a maximum correlation at 8-12 days for laboratory-confirmed cases and 6-8 days for suspected cases.

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