# Commission Implementing Decision (EU) 2018/945 of 22 June 2018 on the communicable diseases and related special health issues to be covered by epidemiological surveillance as well as relevant case definitions (Text with EEA relevance), Division: Preconditions

Extent: E+W+S+N.I.

Any person with a progressive neuropsychiatric disorder with a duration of illness of at least 6 months
Routine investigations do not suggest an alternative diagnosis
No history of exposure to human pituitary hormones or human dura mater graft
No evidence of a genetic form of transmissible spongiform encephalopathy

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/3/division/3.8/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-3/division-3.8/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.