Clare Secker, 19, died of bronchopneumonia in December 2008 after a nurse working for the privately-run telephone service told her parents to give her paracetamol and fluids.
Earlier this year the nurse admitted through her lawyers that she had been "in breach of her duty by failing to arrange for [Secker] to be seen by a doctor". If the young mother, who died when her son Tyler was less than a year old, had been prescribed antibiotics she would have recovered fully.
Despite this neither the firm, which was part of the Harmoni out-of-hours service until it was bought by Care UK in November 2012, nor the nurse has offered compensation to the family.