PAUL H. EDELSTEIN, M.D.; WILLIAM F. BIBB, M.S.; GEORGE W. GORMAN, B.S.; W. LANIER THACKER, M.S.; DON J. BRENNER, Ph.D.; HAZEL W. WILKINSON, Ph.D.; C. WAYNE MOSS, Ph.D.; RICHARD S. BUDDINGTON, M.D.; CHRISTOPHER J. DUNN, M.D.; PHILIP J. ROOS, M.D.; PIETER L. MEENHORST, M.D.
A new serogroup of Legionella pneumophila was isolated from bronchoscopic washings and an open-lung biopsy specimen of a patient from California with pneumonia. A serologically identical isolate was obtained from tap water of a hospital ward in the Netherlands, and a fatal case of pneumonia in a patient from Virginia was shown retrospectively to have been caused by this new organism. The type strain of what is now serogroup 9 of L. pneumophila is IN-23-G1-C2 (American Type Culture Collection no. 35289). Disease caused by L. pneumophila serogroup 9 is not apparently different from that caused by other L. pneumophila serogroups.
EDELSTEIN PH, BIBB WF, GORMAN GW, et al. Legionella pneumophila Serogroup 9: A Cause of Human Pneumonia. Ann Intern Med. 1984;101:196–198. doi: 10.7326/0003-4819-101-2-196
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Published: Ann Intern Med. 1984;101(2):196-198.
Infectious Disease, Pneumonia, Pulmonary/Critical Care.
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