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Bovine Tuberculosis

I've been interested in bovine tuberculosis (TB) transmission in Great Britain since the last year of my PhD. 

Bovine TB is caused by infection with the pathogen Mycobacterium bovis, or M. bovis. M. bovis is one of the species of the tuberculosis complex and is closely related to the human pathogen Mycobacterium tuberculosis.  

Bovine TB is endemic in many cattle populations worldwide.

In Great Britain, there has been a steady increase in cases since the 1970s, and the exact cause or mechanisms underlying the increase is not fully understood. 

Twelve strains of Mycobacterium bovis account for the vast majority of cases found in Britain (data: VETNET).