I n the summer of 2012, Britain was in a festive mood. It was the year of the queen’s diamond jubilee and the London Olympics, and the country was celebrating. But for former hairdresser Hannah Deacon and her young family in Warwickshire, it was a summer of ambulances, hospital wards and doctors rushing in and out of emergency rooms. Eight months earlier, Deacon had given birth to a healthy baby boy named Alfie. The early months of his life had been challenging for her and her partner, Drew, as they are for any first-time parents, but by the summer, Alfie was sleeping and feeding well, and it felt like the family was settling into the new rhythm. However, one night the couple woke up to find their baby’s little body gripped by a paralysing seizure. The family lived in the market town of Kenilworth. They immediately rushed Alfie to their local hospital, in Warwick, but it lacked an intensive care unit and the staff had no experience of these types of seizures. Alfie’s health worsened by the hour.…