Niall Dickson, the General Medical Council's chief executive, said he understood people felt "badly let down" over the fact few have been punished for the failings in basic levels of care which were uncovered at Mid Staffordshire NHS Trust.
Robert Francis QC found a focus on financial performance over adequate staffing was a significant factor in the poor care at the hospital.
Despite what the Francis report described as the "appalling and unnecessary suffering of hundreds of people" and a higher than expected death rate among patients, only a handful of clinicians have faced a professional standards board over their roles.
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