Early warnings of COVID-19 outbreaks across Europe from social media.
Volume
11
Pagination
2147 - ?
DOI
10.1038/s41598-021-81333-1
Journal
Sci Rep
Issue
Metadata
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We analyze data from Twitter to uncover early-warning signals of COVID-19 outbreaks in Europe in the winter season 2019-2020, before the first public announcements of local sources of infection were made. We show evidence that unexpected levels of concerns about cases of pneumonia were raised across a number of European countries. Whistleblowing came primarily from the geographical regions that eventually turned out to be the key breeding grounds for infections. These findings point to the urgency of setting up an integrated digital surveillance system in which social media can help geo-localize chains of contagion that would otherwise proliferate almost completely undetected.
Authors
Lopreite, M; Panzarasa, P; Puliga, M; Riccaboni, MCollections
Language
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