India Coronavirus Dispatch: Twitter showed warning signs before first case

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Study says there were warning signs on Twitter before the first Covid case was declared

Even before the WHO announced the first case of Covid-19, many users on Twitter flagged cases of an "unknown" pneumonia in the winter of 2019, a study has found, according to a report in ThePrint.

Late 2019 and early 2020, the study found that concern (where) was growing about cases of pneumonia across many European countries. The study, which analysed data from Twitter, found that the concerns were displayed in regions which later turned out to be major Covid-19 hotspots. The study was published in the journal