National Reference Laboratory for Legionella - Norway

The department of medical microbiology at Stavanger University hospital, Norway hosts the National Reference Laboratory for Legionella. We offer reference diagnostics and source investigation and outbreak analyses related to Legionnaire’s disease.

​​norway.png Norsk versjon​

Main tasks

  • Reference diagnostics
  • Identification and typing of Legionella in diagnostics, source investigation and research 
  • National biobank for Legionella isolates (clinical and environmental) and other reference materials
  • Surveillance, preparedness and response in case of outbreaks of Legionnaires’ disease
  • Scientific advice and support
  • ​​Collaboration and research

Laboratory functions

  • Isolation by culture and identification of Legionella from patient sample; urinary antigen test, PCR and serology (In-house patients mainly, other hospitals by appointment)
  • Species identification of Legionella isolates (MALDI-TOF and whole genome sequencing)
  • Serotyping of Legionella pneumophila isolates (agglutination)
  • Sequence-based typing of Legionella pneumophila isolates (whole genome sequencing)
  • Monoclonal subtyping of Legionella pneumophila isolates (Dresden-panel)
  • Source investigation and outbreaks analyses


  • The Norwegian Reference Laboratory for Legionella works closely together with the epidemiologists at the Norwegian Institute of Public Health (FHI) regarding source- and outbreaks investigations.
  • The Reference Laboratory is the ECDC nominated national Operational Contact Point (OCP) for microbiology for Legionnaires’ disease and participates in the European Legionnaires' Disease Surveillance Network (ELDSNet)
  • The Reference Laboratory managers are members of the ESCMID Study Group for Legionella Infections (ESGLI)


The Reference Laboratory is involved in Legionella research and is interested to collaborate and participate in international research projects.

Research projects
  • Legionella pneumophila and susceptibility to antimicrobial agents. Collaboration with Haukeland University hospital. Link to paper
  • Legionella in municipal shower system. Collaboration with IRIS (International Research Institute of Stavanger), Stavanger municipality, University of Stavanger/SEROS and University of Michigan Medical School (Michele Swanson). Funded by Regionale Forskingsfond Vestlandet. Link to report (Norwegian).​ Link to publication​.

Contact information

Contact persons:

Dr. Anne Vatland Krøvel

M.D. Monica Regine Romstad

Visiting address:
Stavanger University Hospital (SUS)
Department of Medical Microbiology
Armauer Hansens vei 28
4011 Stavanger, Norway 

Postal address:
Helse Stavanger HF
Stavanger University Hospital (SUS)
Department of Medical Microbiology
P.O Box 8100
4068 STAVANGER, Norway​
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