The second wave of death caused by the disease of cow madness could smell Britain up to 50 years after our worst food scandal in 1993.
Long incubation periods for people with a certain type of gene mean that many do not even know that they have a deadly variant of Creutzfeldt-Jakob disease.
By 2009 all 176 victims had the same genetic composition MM.
But that year, Grant Goodwin, 30, became the first person in the world with the MV type who died of vCJD.
And in 2014, the 36-year-old British was the second.
Richard Knight, a neurology professor at the CJD Control Unit in Edinburgh, said, "There is still so much uncertainty about this disease.
– And that's one of the things
It is not certain how many people in the UK are silently infected.
"At this point I have to say that we are simply not sure, but each forecast suggests that there will be further cases," he said in a BBC investigation.
The disease of cow – cattle spongiform encephalopathy (BSE) – was detected in British cattle at the end of the 1980s.
Millions of cows were destroyed in the UK with 1,000 new cases per week at the peak of 1993.
The study found that it was caused by cattle feeding to the remains of other cattle.
His first victim was 19-year-old Stephen Churchill of the Wizards, Wilts, who died in 1995 five years after eating meat.
- Disease of Mad Cows: Big British Beef Scandal, BBC2, Thursday, July 11th.