The type I interferon system protects mice from Semliki Forest virus by preventing widespread virus dissemination in extraneural tissues, but does not mediate the restricted replication of avirulent virus in central nervous system neurons

Abstract excerpt

Semliki Forest virus (SFV) infection of the mouse provides a powerful model to study the pathogenesis of virus encephalitis. SFV and other alphavirus-based vector systems are increasingly used in biotechnology and medicine. This study analysed the strong susceptibility of this virus to type I interferon (IFN) responses. Following intraperitoneal infection of adult mice, SFV strain A7(74) was efficiently (100 %)...

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