§ Lord Kennetasked Her Majesty's Government:
Whether any further cases of PrPCJ Disease have been identified since January 1996 and whether there is any reason to suppose the incubation period for this form of CJ Disease does not exceed 10 years [Lancet, Vol. 347, 1996, p. 924].
§ The Parliamentary Under-Secretary of State, Department of Health (Baroness Cumberlege)One further case of the new variant of Creutzfeld-Jakob Disease has been confirmed since the announcement on 20th March that 10 cases had been identified.
The incubation period for CJD is thought to range from five to 20 years.