# 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 of the following three:
Demonstration of Giardia lamblia cysts or trophozoites in stool, duodenal fluid or small-bowel biopsy
Demonstration of Giardia lamblia antigen in stool, duodenal fluid or small-bowel biopsy
Detection of Giardia lamblia nucleic acid in stool, duodenal fluid or small-bowel biopsy

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/3/division/3.13/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-3/division-3.13/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.