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VIII.81 - Leptospirosis

from Part VIII - Major Human Diseases Past and Present

Published online by Cambridge University Press:  28 March 2008

Kenneth F. Kiple
Affiliation:
Bowling Green State University, Ohio
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Summary

The kind of leptospirosis manifested by severe jaundice was first described as a human disease in 1886 by A. Weil. Named Weil’s disease the following year, the term was meant to designate a distinctive infectious jaundice, and it would not be known until much later that leptospirosis was caused by numerous leptospires that triggered various clinical syndromes. The first of the causative pathogens were independently discovered in 1915 by R. Inada among Japanese mine workers and by P. Uhlenhut and W. Fromme among German soldiers. Leptospira, a genus of the family Treponemataceae, order Spirochaetales, is a fine threadlike organism with hooked ends (see Figure VIII.81.1) that is pathogenic for humans and other mammals, producing meningitis, hepatitis, and nephritis both separately and together. In the past, the disease killed between 15 and 40 percent of those infected. Modern treatment has reduced mortality to about 5 percent. As a zoonosis, the disease is generally maintained in rodent reservoirs.

Etiology and Epidemiology

Leptospires are obligate aerobes and classified serologically as a bacterium, subdivided into two species. One is Leptospira biflexa, which includes the various water spirochetes, whereas the other, Leptospira interrogans, embraces the parasitic strains. The species interrogans (so named because of an appearance like a question mark) is now subdivided by the main antigen into 187 serotypes or serovars. Human leptospirosis generally results from direct or indirect exposure to the urine of infected animals, although it can also be transmitted by handling infected animal tissue, by animal bites, and by the ingestion of contaminated food and water.

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Publisher: Cambridge University Press
Print publication year: 1993

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References

Alston, J. M., and Broom, J. C.. 1958. Leptospiroses in man and animal. London.Google Scholar
Faine, S. 1982. Guidelines for the control of leptospirosis. World Health OrganizationOffset Publication No. 67.Google Scholar
Gsell, O. 1952. Leptospirosen. In Handbuch der Inneren Medizen, 4th edition. Berlin.Google Scholar
Gsell, O. 1974. Leptospirosen. Klinik der Gegenwart, Vol. 2, ed. Bock, H. E., Gerock, W., and Hartmann, F.. Munchen.Google Scholar
Gsell, O. 1978. Leptospiroses and relapsing fever. In Handbook of Clinical Neurology, Part III:. New York.Google Scholar
Gsell, O. 1984. History of leptospiroses: 100 years. Zentralblatt für Bakteriologie und Hygiene A257.Google Scholar
Gsell, O. 1990. Leptospiroses. Zentralblatt für Bakteriologie und Hygiene 281.Google Scholar
Turner, L. H. 1973. Leptospiroses III. British Medical Journal 1.CrossRefGoogle Scholar

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  • Leptospirosis
  • Edited by Kenneth F. Kiple, Bowling Green State University, Ohio
  • Book: The Cambridge World History of Human Disease
  • Online publication: 28 March 2008
  • Chapter DOI: https://doi.org/10.1017/CHOL9780521332866.143
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  • Leptospirosis
  • Edited by Kenneth F. Kiple, Bowling Green State University, Ohio
  • Book: The Cambridge World History of Human Disease
  • Online publication: 28 March 2008
  • Chapter DOI: https://doi.org/10.1017/CHOL9780521332866.143
Available formats
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Save book to Google Drive

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  • Leptospirosis
  • Edited by Kenneth F. Kiple, Bowling Green State University, Ohio
  • Book: The Cambridge World History of Human Disease
  • Online publication: 28 March 2008
  • Chapter DOI: https://doi.org/10.1017/CHOL9780521332866.143
Available formats
×