Hepatitis B cases have almost doubled in six years, to 325,000, 96 per cent of these involving patients born outside the UK. From the BNP 2007 Mini manifesto:'Health tourists' are costing the NHS ??2billion a year, and diseases such as TB and AIDS are on the increase as a result of immigration.Max quotes the 2008 House of Lords report that 'brutally dismissed' claims immigration benefits the UK:Th