When news broke that polio has been spreading in the UK for the first time in decades, Mark Esho's blood ran cold.
The 59-year-old is one of the last people to have contracted the virus in this country, and has described his ordeal as a "nightmare".
Mark was just five years old when he woke up paralysed from the neck down - and doctors said he had just a 10 per cent chance of survival.
