# 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: Laboratory Criteria

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

At least one the following four:
Isolation of influenza virus from a clinical specimen
Detection of influenza virus nucleic acid in a clinical specimen
Identification of influenza virus antigen by DFA test in a clinical specimen
Influenza specific antibody response
Sub typing of the influenza isolate should be performed, if possible

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/3/division/3.20/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-3/division-3.20/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.