By Martin Bagot Health chiefs are running a measles vaccination drive to hold back outbreaks of the disease. NHS England is inviting almost a million 19 to 25-year-olds from infection epicentres for jabs. In rare cases measles can cause cognitive disabilities, blindness and deafness. It can also kill – one in 5,000 children with measles will die. UK Health Security Agency data shows 733 cases from October to March, with the real number probably much higher. Steve Russell, NHS England vaccines boss, said: “Measles, mumps and rubella are preventable. But catching them is easy when people are unv…