Legionellosis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Legionellosis (Legionella spp. infection) can be classified into three types based upon affected organ systems and clinical presentations: pulmonary infection (Legionnaires' disease), extrapulmonary infection, and Pontiac fever.

Classification

• Legionella infection (syn. Legionellosis)

• Extrapulmonary legionella infection (syn. Nonpneumonic Legionnaires' disease)

• Cutaneous involvement legionellosis
• Disseminated legionella infection
• Legionella encephalopathy
• Pontiac fever

• Infection by Legionella pneumophilia
• Legionella pneumonia (syn. Legionnaire's disease)

• Healthcare associated Legionnaires' disease
• Pittsburgh pneumonia