Dr. Mario Raviglione heads the World Health Organization's "Stop TB" program.

NPR: Man Eluded Attempts to Control Deadly TB Strain

Because patients in many countries aren't tested fully for drug resistance, and national surveys aren't always done, it is difficult to know precisely how widespread drug resistance is or whether the number of cases is on the rise globally, said Mario Raviglione, director of the WHO's Stop TB Department.

WSJ: Tuberculosis Strain in Mumbai Doesn't Respond to Main Treatment

The Government approved a cull in the county for this summer to try to stop the spread of TB in cattle.

BBC: Campaigners in Bridgwater petition against badger cull

The campaign group is also asking politicians seek more effective alternatives to stop the spread of bovine TB.

BBC: Campaigners seek badger no-cull zone on council land