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J Infect Dis. 1998 May;177(5):1143-54.

Evaluation of a live attenuated recombinant virus RAV 9395 as a herpes simplex virus type 2 vaccine in guinea pigs.

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Aviron, Mountain View, California, USA.


Recombinant virus RAV 9395 was constructed by deleting both copies of the gamma(1)34.5 gene, and the UL55 and UL56 open reading frames from herpes simplex virus type 2 (HSV-2) strain G. The potential use of RAV 9395 as an HSV-2 vaccine was investigated by evaluating the ability of RAV 9395 to protect guinea pigs from severe disease by HSV-2(G) challenge. RAV 9395 administered intramuscularly reduced both lesion development and severity in a dose-dependent manner in guinea pigs challenged with HSV-2(G). The frequency of reactivation of RAV 9395 from explanted dorsal root ganglia was low compared with that of HSV-2(G). Immunization with RAV 9395 at doses of 1 x 10(5) pfu and above generally precluded the establishment of latency by the challenge virus. The results presented in this report lend support for the development of genetically engineered live HSV vaccines.

[Indexed for MEDLINE]

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