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The Guardian - Back to homeThe Guardian

Surgisphere

June 2020

  • pill bottles on a shelf

    Covid-19 studies based on flawed Surgisphere data force medical journals to review processes

  • Sapan Desai

    Surgisphere: mass audit of papers linked to firm behind hydroxychloroquine Lancet study scandal

  • Hydroxychloroquine tablets

    Retracted studies may have damaged public trust in science, top researchers fear

  • Women wearing face masks go shopping in Tehran

    Coronavirus: the week explained
    Coronavirus: the week explained - 5 June

  • Morning mail newsletter
    Morning mail: Lancet retracts Covid-19 paper, Floyd memorial, walking with wombats

  • Covid-19: Lancet retracts paper that halted hydroxychloroquine trials

  • Covid-19 investigations
    Unreliable data: how doubt snowballed over Covid-19 drug research that swept the world

  • WHO to resume hydroxychloroquine trial after earlier halt over safety concerns

  • Covid-19 investigations
    Surgisphere: governments and WHO changed Covid-19 policy based on suspect data from tiny US company

  • How were medical journals and WHO caught out over hydroxychloroquine?

May 2020

  • The open letter lists 10 major concerns about the statistical analysis and data integrity of a study published in the Lancet that found coronavirus patients who received hydroxychloroquine were dying at higher rates than other virus patients

    Covid-19 study on hydroxychloroquine use questioned by 120 researchers and medical professionals

  • hydroxychloroquine

    Questions raised over hydroxychloroquine study which caused WHO to halt trials for Covid-19

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