# 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: Case Classification during an outbreak

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

Applies during an outbreak in a country/area where at least one person has been laboratory confirmed by a WHO SARS verification and reference laboratory
A.. Possible case
Any person meeting the clinical criteria
B.. Probable case
Any person meeting the clinical criteria with an epidemiological link to a nationally confirmed or a confirmed case
C.. Nationally confirmed case
Any person meeting the clinical and the laboratory criteria for case confirmation where the testing has been performed at a national reference laboratory
D.. Confirmed case
One of the following three:
Any person meeting the clinical and the laboratory criteria for case confirmation where the testing has been performed at a WHO SARS verification and reference laboratory
Any nationally confirmed case with an epidemiological link to a chain of transmission where at least one case has been independently verified by a WHO SARS Reference and Verification Laboratory
Any person meeting the clinical criteria and with laboratory criteria for probable case with an epidemiological link to a chain of transmission where at least one case has been independently verified by a WHO SARS Reference and Verification Laboratory

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/3/division/3.39/division/5 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-3/division-3.39/division-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.