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Updated: Feb 10, 2026

Purification of Pathogen Vacuoles from Legionella-infected Phagocytes

Purification of Pathogen Vacuoles from Legionella-infected Phagocytes

Published on: June 19, 2012

Legionella: a reemerging pathogen.

Loreen A Herwaldt^1,2, Alexandre R Marra^3,4

¹Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Carver College of Medicine.

Current Opinion in Infectious Diseases

|May 26, 2018

Summary

This summary is machine-generated.

Legionnaires' disease is increasing, posing a significant public health risk. Effective water management and improved diagnostic methods are crucial for preventing Legionella infections and reducing mortality.

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Area of Science:

Microbiology and Public Health
Infectious Diseases Epidemiology

Background:

Legionellosis incidence is rising, with high mortality rates, especially in immunocompromised individuals.
Severe respiratory failure in Legionnaires' disease may necessitate extracorporeal membrane oxygenation.
Viable but nonculturable Legionella organisms are prevalent in water systems, but their clinical significance is unclear.

Purpose of the Study:

To review current knowledge on Legionella epidemiology, clinical features, and outbreaks.
To discuss advancements in molecular typing, prevention, and detection methods for Legionella.
To highlight the importance of water management and diagnostic improvements for public health.

Main Methods:

Review of recent literature on Legionella epidemiology and clinical characteristics.
Analysis of molecular typing and epidemiological data for outbreak investigations.
Evaluation of current and emerging diagnostic techniques for clinical and environmental specimens.

Main Results:

Whole genome sequencing is vital for tracing Legionella transmission sources and understanding clone emergence.
Real-time quantitative polymerase chain reaction (PCR) may enhance diagnosis from respiratory samples.
Fluoroquinolones and macrolides show comparable efficacy in treating Legionnaires' disease.

Conclusions:

Legionellosis remains a critical public health concern requiring robust water management programs.
Enhanced detection methods for Legionella in environmental and clinical samples are needed for better prevention and diagnosis.
Implementing water management policies in healthcare facilities is essential to mitigate Legionella transmission.