Scientists question validity of major hydroxychloroquine study


More than 100 scientists and clinicians have questioned the authenticity of a massive hospital database that was the basis for an influential study published last week that concluded that treating people who have Covid-19 with chloroquine and hydroxy-chloroquine did not help and might have increased the risk of abnormal heart rhythms and death.

In an open letter to The Lancet’s editor, Richard Horton, and the paper’s authors, the scientists asked the journal to provide details about the provenance of the data and called.

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