Meningitis B is a "big killer in the UK", according to a specialist from St Mary's Hospital in London.
Professor Simon Kroll has spoken about the possibility of a new vaccine against Meningitis B being available within the year.
Scientists have been working on the vaccine for more than a decade and preliminary approval has just been granted for the jab.
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Sandiford, a former legal secretary originally from Redcar, was convicted of drug smuggling offences and sentenced to death in 2013.
Durham Crown Court heard that one of the male victims suffered a triple-fractured jaw, while left lying in the gutter, unconscious.