A review into the failure to will be chaired by Lynda Thomas, the chief executive of Macmillan Cancer Support, and leading oncologist Professor Martin Gore.
Ms Thomas said: “It’s absolutely critical we understand what happened and make sure this situation never happens to another person again.
Dr Jenny Harries, Public Health England’s Deputy Medical Director, said: “We have carried out urgent work to identify the problem and have fixed it. Additional fail-safe systems have been introduced to ensure the problem does not reoccur.”
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