Legionella
Gram-negative aerobic rods, isolated from surface water, mud, or thermally polluted lakes or streams. It is pathogenic for man and it has no known soil or animal sources.
Source: National Library of Medicine 2013 MeSH Scope Note and Classification
Images
Figure 1. Gram stain of <i>Legionella pneumophila</i>, from culture of a sputum specimen.
Figure 1. Gram stain of Legionella pneumophila, from culture of a sputum specimen.
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Related Cases
A man with pneumonia.
Related Images From Cases
References
  1. National Library of Medicine 2013 MeSH Scope Note and Classification
  2. O'Loughlin, R.E., Kightlinger, L., Werpy, M.C., Brown, E., Stevens, V., Hepper, C., Keane, T., Benson, R.F., Fields, B.S., and Moore, M.R. (2007). Restaurant outbreak of Legionnaires' disease associated with a decorative fountain: an environmental and case-control study. BMC Infect Dis 7, 93. PMID:17688692 (PubMed abstract)
  3. Neil and Berkelman. (2008)Increasing incidence of legionellosis in the United States, 1990-2005: changing epidemiologic trends. Clin Infect Dis. 2008 Sep 1;47(5):591-9. PMID:18665818 (PubMed abstract)