What are non-specific symptoms of Legionella infection?

Updated: Nov 13, 2018
  • Author: Mobeen H Rathore, MD, CPE, FAAP, FIDSA; Chief Editor: Russell W Steele, MD  more...
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Pneumonia is the predominant clinical manifestation of Legionnaires disease (LD). After an incubation period of 2-10 days, patients typically develop the following nonspecific symptoms:

  • Fever

  • Weakness

  • Fatigue

  • Malaise

  • Myalgia

  • Chills

Respiratory symptoms may not be present initially but develop as the disease progresses. Almost all patients develop a cough, which is initially dry and nonproductive, but may become productive, with purulent sputum and, (in rare cases) hemoptysis. Patients may experience chest pain.

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