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Updated: Jul 20, 2026
12:30
Use of Galleria mellonella as a Model Organism to Study Legionella pneumophila Infection
Published on: November 22, 2013
[Legionella outbreak in Amsterdam: a cooling tower as the source]
J A R van den Hoek1, E P F IJzerman, R A Coutinho
1GGD Amsterdam, afd. Infectieziekten, Postbus 2200, 1000 CE Amsterdam. avdhoek@ggd.amsterdam.nl
Nederlands Tijdschrift Voor Geneeskunde
|September 14, 2006
Summary
An outbreak of Legionella infection in Amsterdam identified 30 cases, including 2 fatalities. The source was traced to a cooling tower in the city center, highlighting the importance of environmental monitoring for public health.
Area of Science:
- Environmental microbiology
- Infectious disease epidemiology
- Public health surveillance
Context:
- A cluster of Legionella infections occurred in Amsterdam between July 6-28, 2006.
- Thirty confirmed cases, including two fatalities, were identified, with Legionella pneumophila serogroup I confirmed via urinary antigen testing.
Purpose:
- To investigate the source and control an outbreak of Legionella infection in Amsterdam.
- To identify environmental factors contributing to the spread of Legionnaires' disease.
Summary:
- The investigation involved epidemiological analysis, including patient location data and prevailing wind patterns.
- Environmental sampling and investigation led to the identification of a cooling tower in the city center as the source of the outbreak.
- The cooling tower was closed on July 11th, and subsequently confirmed as the origin of the Legionella outbreak.
Impact:
- Demonstrates the critical role of prompt epidemiological investigation and environmental source identification in controlling Legionella outbreaks.
- Underscores the public health risk associated with contaminated cooling towers and the need for effective environmental surveillance and management strategies.
- Provides a case study for understanding the transmission dynamics of Legionnaires' disease in urban settings.
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