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The American Journal of Tropical Medicine and Hygiene
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0002-9637
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SHORT REPORT: A DISSEMINATED INFECTION OF LEISHMANIA MEXICANA IN AN EASTERN WOODRAT, NEOTOMA FLORIDANA, COLLECTED IN TEXAS

CHAD P. MCHUGH1, MONTE L. THIES1, PETER C. MELBY1, LOUDON D. YANTIS JR.1, RUSSELL W. RAYMOND1, MARIA D. VILLEGAS1, and SARA F. KERR1
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  • 1 Air Force Institute for Operational Health, and Air Force Research Laboratory, Brooks City-Base, Texas; Department of Biologic Sciences, Sam Houston State University, Huntsville, Texas; Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas; School of Math, Science and Engineering, University of the Incarnate Word, San Antonio, Texas
DOI:
https://doi.org/10.4269/ajtmh.2003.69.470
Volume/Issue:
Volume 69: Issue 5
Page(s):
470–472
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An eastern woodrat (Neotoma floridana) collected in January 2001 near Bedias, Grimes County, Texas, had extensive lesions of both ears and swollen feet. Impression smears and histologic sections demonstrated the presence of Leishmania in both ears and the one foot that was screened. Polymerase chain reaction screening using species-specific primers detected parasites in both ears and all four feet and indicated the parasites were L. mexicana. The detection of L. mexicana in N. floridana represents a new host record in a new ecologic region and may help explain a human infection acquired outside the previously-known range of the disease. Given the geographic distribution of N. floridana and the two other species of Neotoma found naturally infected, enzootic foci of Leishmania could be present over much of the southern United States.

Author Notes

Reprint requests: Chad P. McHugh, AFIOH/RSRH (Attn: Entomology), 2513 Kennedy Circle, Brooks City-Base, TX 78235-5116, Telephone: 210-536-6135, E-mail: chad.mchugh@brooks.af.mil.
Copyright:
Copyright 2003 The American Society of Tropical Medicine 2003
Received:
10 Apr 2003
|
Accepted:
17 Aug 2003
|
Published Online:
Nov 2003
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