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Some promising approaches but no clear answers yet
| The first 150 words of the full text of this article appear below. |
Unequivocal evidence now exists that the variant form of Creutzfeldt-Jakob disease is caused by the same strain of agent as bovine spongiform encephalopathy and that this strain differs from other strains isolated from cases of classic sporadic Creutzfeldt-Jakob disease. 1 2 At present definitive diagnosis of either form of the disease is possible only after death, but clinicians are under great pressure to distinguish between the two forms and in particular to be able to identify cases of variant Creutzfeldt-Jakob disease as early as possible.
Exposure of the human population in Britain to the agent causing
variant Creutzfeldt-Jakob disease is likely to have occurred in the
1980s through beef products affected by bovine spongiform encephalopathy. Although it is reassuring that there have been only 24 cases of variant Creutzfeldt-Jakob disease (23 in Britain and 1 in
France) and that the number of new cases did not increase in the last
year, it is impossible to