Oral and sub-cutaneous vaccination of commercial pigs with a recombinant porcine adenovirus expressing the classical swine fever virus gp55 gene

Oral and sub-cutaneous vaccination of commercial pigs with a recombinant porcine adenovirus... A recombinant porcine adenovirus expressing the classical swine fever virus (CSFV) gp55/E2 gene was administered to commercially available pigs via oral or subcutaneous routes and their susceptibility to oral and subcutaneous challenge with CSFV was determined. 100% of animals vaccinated and challenged subcutaneously were protected. In the groups of pigs vaccinated either orally or subcutaneously and then challenged orally, 60% of animals were protected. Before challenge, neutralising antibodies to CSFV were detected in 60% of pigs vaccinated subcutaneously, but in none of those given the vaccine orally. CSFV antigen was found in the spleens of surviving pigs that had been vaccinated orally. In contrast, subcutaneous vaccination was shown to preclude the presence of CSFV in the spleen of animals that survived challenge. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Oral and sub-cutaneous vaccination of commercial pigs with a recombinant porcine adenovirus expressing the classical swine fever virus gp55 gene

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Publisher
Springer Journals
Copyright
Copyright © 2001 by Springer-Verlag/Wien
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050170064
Publisher site
See Article on Publisher Site

Abstract

A recombinant porcine adenovirus expressing the classical swine fever virus (CSFV) gp55/E2 gene was administered to commercially available pigs via oral or subcutaneous routes and their susceptibility to oral and subcutaneous challenge with CSFV was determined. 100% of animals vaccinated and challenged subcutaneously were protected. In the groups of pigs vaccinated either orally or subcutaneously and then challenged orally, 60% of animals were protected. Before challenge, neutralising antibodies to CSFV were detected in 60% of pigs vaccinated subcutaneously, but in none of those given the vaccine orally. CSFV antigen was found in the spleens of surviving pigs that had been vaccinated orally. In contrast, subcutaneous vaccination was shown to preclude the presence of CSFV in the spleen of animals that survived challenge.

Journal

Archives of VirologySpringer Journals

Published: Sep 1, 2001

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