MedlinePlus: Legionnaires' Disease
- Directory of factsheets, articles, and news.
- http://www.nlm.nih.gov/medlineplus/legionnairesdisease.html

Yahoo! Groups : legionnaires_disease
- Discussions on Legionnaires' disease.
- http://groups.yahoo.com/group/legionnaires_disease/

The European Working Group for Legionella Infections
- Includes disease information, surveillance information, reports, and links.
- http://www.ewgli.org/

The Merck Manual: Pneumonia of Legionnaires' Disease
- Includes signs and symptoms, diagnosis, prognosis, and treatment.
- http://www.merck.com/mrkshared/mmanual/section6/chapter73/73g.jsp

MedlinePlus Medical Encyclopedia: Legionnaire's disease
- Features cause, symptoms, tests, treatment, prognosis, and prevention.
- http://www.nlm.nih.gov/medlineplus/ency/article/000616.htm

Medmicro: Legionella
- Scientific and medical information on the bacteria and the disease it causes.
- http://gsbs.utmb.edu/microbook/ch040.htm

OSHA Technical Manual - Legionnaires' Disease
- Information to assist industrial hygienists in the assessment of work sites for potential Legionnaires' disease. Provides information on disease recognition, investigation procedures to identify probable water sources, and control strategies.
- http://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_7.html

Postgraduate Medicine: Legionnaires' Disease and Pneumonia
- Research article on the disease.
- http://www.postgradmed.com/issues/2001/05_01/akbas.htm

Legionellosis Facts
- Includes cause, symptoms, diagnosis, complications, treatment, and prevention.
- http://www.astdhpphe.org/infect/Legion.html

DBMD - Legionellosis
- Factsheet with cause, symptoms, treatment, and prevention.
- http://www.cdc.gov/ncidod/dbmd/diseaseinfo/legionellosis_g.htm

Legionnaires' Disease
- Caused by Legionella bacteria. Includes outbreaks and clinical information.
- http://www.q-net.net.au/~legion/

eMedicine - Legionnaires Disease
- Article by Frank Smeeks, MD, FAAEM.
- http://www.emedicine.com/emerg/topic295.htm

eMedicine - Legionellosis
- Article by Lynn E Sullivan, MD.
- http://www.emedicine.com/med/topic1273.htm

eMedicine - Legionella Infection
- Article by Mobeen Rathore, MD
- http://www.emedicine.com/ped/topic1288.htm