# 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 for case confirmation

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

At least one of the following three:
Isolation of Legionella spp. from respiratory secretions or any normally sterile site
Detection of Legionella pneumophila antigen in urine
Significant rise in specific antibody level to Legionella pneumophila serogroup 1 in paired serum samples

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/3/division/3.22/division/2/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-3/division-3.22/division-2/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.