In 2010 the BadgerBCG vaccine was licensed for use in badgers in the UK to reduce the severity of Mycobacterium bovis infection, and hence the risks of onward transmission to cattle. To date badger vaccination in the UK has been deployed at a relatively limited spatial scale (compared to the large scale badger culls) and almost exclusively in high density badger populations which have not been recently culled. UK Government policy direction has moved towards...