They were told the vaccine had few side-effects and would protect their daughter from cervical cancer.
But Steve and Pauline Hinks are convinced the controversial HPV jab is behind their daughter Lucy’s mystery illness which is making her sleep up to 23 hours a day.
Tests have so far ruled out a brain tumour and glandular fever and the 13-year-old’s paediatric consultant is investigating potential links with the vaccine Cervarix.
The jab was used in a national vaccination programme which started in September 2008. But it has already been linked to several cases of girls displaying severe side-effects.
Before she received the vaccine, Lucy was perfectly healthy, had an excellent school attendance record and was among the top students in her year.