Vesicular Stomatitis Virus, New Jersey Serotype: Replication in and Transmission by Lutzomyia shannoni (Diptera: Psychodidae)

James A. Comer College of Veterinary Medicine, University of Georgia, Yale Arbovirus Research Unit, Yale University School of Medicine, Athens, Georgia

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Robert B. Tesh College of Veterinary Medicine, University of Georgia, Yale Arbovirus Research Unit, Yale University School of Medicine, Athens, Georgia

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Govind B. Modi College of Veterinary Medicine, University of Georgia, Yale Arbovirus Research Unit, Yale University School of Medicine, Athens, Georgia

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Joseph L. Corn College of Veterinary Medicine, University of Georgia, Yale Arbovirus Research Unit, Yale University School of Medicine, Athens, Georgia

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Victor F. Nettles College of Veterinary Medicine, University of Georgia, Yale Arbovirus Research Unit, Yale University School of Medicine, Athens, Georgia

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DOI:
https://doi.org/10.4269/ajtmh.1990.42.483
Volume/Issue:
Volume 42: Issue 5
Page(s):
483–490
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Laboratory-reared female sand flies (Lutzomyia shannoni) were experimentally infected, orally and by intrathoracic inoculation, with the New Jersey serotype of vesicular stomatitis (VSNJ) virus. Virus replication occurred in the insects following infection by both routes. Virus titers >104 plaque forming units of VSNJ virus were present in heads of orally infected sand flies 12 days after virus ingestion, confirming that a persistent disseminated infection had occurred. Both orally and parenterally infected Lu. shannoni transmitted VSNJ virus by bite to susceptible rodents and by transovarial transmission to a small percentage of their F1 progeny. The significance of these findings in the epizootiology of VSNJ virus on Ossabaw Island, Georgia, an enzootic focus of this virus, is discussed.

Author Notes

Copyright:
Copyright © 1990 by The American Society of Tropical Medicine and Hygiene 1990
Published Online:
May 1990
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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