Very good article on this issue at the NHS Choices website.
Good, dispassionate and objective analysis. No known cases of bTB transmission via eating meat. In the UK, population 60 million, over a period of 17 years, the total number of cases of bTB transmission to humans was around 570, or 33 a year, and most of those cases were from drinking unpasteurised milk.
And there is the point. People are manufacturing a huge, hand-waving "won't somebody think of the children" controversy over this, but take the risk that the pasteurisation process has been carried out and killed of the bTB bacillum that might have been in their milk.
It is, instinctively an "eww" kind of thought - but rationally, the whole thing seems unduly sensationalised to me, although I do understand peoples reaction to this. None of us will like the idea that our food could harm us. Fact is, unless proper precautions are taken, a lot of our foodstuffs have the capability - Dairy and eggs, for instance...
http://www.nhs.uk/news/2013/07July/Pages/Concerns-raised-about-bovine-TB-infected-meat.aspx