Natural rodent host associations of Guanarito and pirital viruses (Family Arenaviridae) in central Venezuela.

C F Fulhorst Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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M D Bowen Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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R A Salas Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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G Duno Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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A Utrera Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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T G Ksiazek Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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N M De Manzione Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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E De Miller Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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C Vasquez Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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C J Peters Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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R B Tesh Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA.

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DOI:
https://doi.org/10.4269/ajtmh.1999.61.325
Volume/Issue:
Volume 61: Issue 2
Page(s):
325–330
Restricted access
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The objective of this study was to elucidate the natural rodent host relationships of Guanarito and Pirital viruses (family Arenaviridae) in the plains of central Venezuela. Ninety-two arenavirus isolates from 607 animals, representing 10 different rodent species, were characterized to the level of serotype. The 92 isolates comprised 19 Guanarito virus strains and 73 Pirital virus strains. The 19 Guanarito virus isolates were from Zygodontomys brevicauda; 72 (98.6%) of the 73 Pirital virus isolates were from Sigmodon alstoni. These results indicate that the natural rodent associations of these 2 sympatric arenaviruses are highly specific and that Z brevicauda and S. alstoni are the principal rodent hosts of Guanarito and Pirital viruses, respectively.

Published Online:
Aug 1999
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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