1887

Abstract

A murine gammaherpesvirus (MHV-68) containing a deletion of the putative plasmid maintenance protein ORF73 exhibits a severe latency deficit. In this study the ability of an ORF73 deletion mutant (Δ73) to confer protection against subsequent challenge with wild-type virus has been examined. Vaccination studies have shown that Δ73 vaccination reduced latent infection of wild-type challenge virus to a level below the limit of detection. These results indicate that a live-attenuated gammaherpesvirus that cannot persist is an effective vaccine.

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2004-03-01
2019-11-17
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