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

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.

keywords 🔗 *Baidu Index () 🔗 *COVID-19 (1240) 🔗 *Google Trends (3) 🔗 *Internet surveillance () 🔗 *Weibo Index () 🔗 *coronavirus (5664) 🔗 social media (17)

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