As the recent outbreak of meningitis in Kent sees cases rise to 20 and Health Secretary Wes Streeting call the outbreak 'unprecedented ', TV presenter Lisa Snowdon has warned people ‘not to be heroes’ and seek help, if they think they have symptoms. The 54-year-old - who has just completed a gruelling trek in the Moroccan desert for Meningitis Now , knows how dangerous complacency can be. Struck down by the viral form of the disease in late 2010, she became so ill that doctors told her parents