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Background Recently moderate-virulence classical swine fever virus (CSFV) strains have been proven capable of generating postnatal persistent infection (PI), defined by the maintenance of viremia and the inability to generate CSFV-specific immune responses in animals. These animals also showed a type I interferon blockade in the absence of clinical signs. In this study, we assessed the infection generated...
Classical swine fever virus (CSFV) is the causative agent of one of the most devastating porcine haemorrhagic viral diseases, classical swine fever (CSF). CSFV mainly infects endothelial cells and macrophages and at the same time promotes bystander apoptosis of the surrounding T cells, causing strong immune suppression and high mortality rates. Most animals experience acute infection, during which...
Immunization of domestic pigs with a DNA vaccine expressing the complete E2 protein of classical swine fever virus (CSFV) conferred total protection against a severe viral challenge. Immunization with three doses of plasmid pcDNA3.1/E2 elicited a consistent and specific, MHC class II restricted T cell response in the three domestic pigs analyzed, in the absence of detectable anti-CSFV antibodies in...
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