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J Clin Microbiol. Mar 1987; 25(3): 569–570.
PMCID: PMC265995

Legionella pneumophila serogroup 12 isolated from human and environmental sources.


A Legionella-like organism (strain 570-CO-H [= ATCC 43290]) isolated from the lung tissue of a patient with pneumonia was shown by growth, as well as physiological, serological, and genetic characteristics, to belong to a new Legionella pneumophila serogroup, serogroup 12. Two additional strains were detected with antiserum specific for strain 570-CO-H. These strains were isolated from environmental sources.

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