Health secretary Jeremy Hunt told the Daily Mail:
We need a culture of openness and transparency if we are going to stop another Mid Staffs from happening.
The era of gagging NHS staff from raising their real worries about patient care must come to an end.
Almost £15 million was spent over three years on compromise agreements with staff leaving the NHS, the Mail said, of which 90% contained clauses to stop whistleblowers from speaking out.
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Government ministers from the UK, France and China attended the event.
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