The latest figures from the Department of Health show that up to 31 December last year a total of 52 people in the UK had died from new variant CJD.

BBC: Drugs 'slow mad cow disease'

The Commons defence committee said it was clear the government's decision to change the variant of fighter jet for the UK's new carriers had been "rushed and based upon incomplete and inaccurate policy development".

BBC: Joint strike fighter decision was flawed, MPs say

Both McAfee and UK-based antivirus software vendor Sophos PLC said they posted an alert to the variant on their Web sites.

CNN: Variant of 'I Love You' virus returns