AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med. Hyg., 33(5), 1984, pp. 1007-1016
Copyright © 1984 by The American Society of Tropical Medicine and Hygiene

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Studies on the Biology of Phleboviruses in Sand Flies (Diptera: Psychodidae)

I. Experimental Infection of the Vector

Robert B. Tesh AND Govind B. Modi
Yale Arbovirus Research Unit, Department of Epidemiology and Public Health, Yale University School of Medicine, P.O. Box 3333, New Haven, Connecticut 06510

This paper describes a series of experiments which were done to determine the behavior of 14 different phleboviruses in laboratory-reared sand flies (Phlebotomus papatasi, P. perniciosus and Lutzomyia longipalpis) after oral and parenteral infection. Most of the viruses replicated in the sand flies after intrathoracic inoculation; however, the insects were quite refractory to oral infection. Six of 11 phleboviruses tested were transovarially transmitted in one or more sand fly species. The percentage of infected F1 offspring produced by parenterally infected female parents ranged from 1.5–60%, depending on the virus type used. These data support the hypothesis that some of the phleboviruses are maintained in sand flies by transovarial transmission.

Accepted for publication March 23, 1984.




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Ex Vivo Stability of the Rodent-Borne Hantaan Virus in Comparison to That of Arthropod-Borne Members of the Bunyaviridae Family
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[Abstract] [Full Text] [PDF]




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Copyright © 1984 by the American Society of Tropical Medicine and Hygiene.