Evaluation of classical swine fever virus antibody detection assays with an emphasis on the differentiation of infected from vaccinated animals

S. Schroeder, T. von Rosen, S. Blome, W.L.A. Loeffen, A. Haegeman, F. Koenen, A. Uttenthal

Research output: Contribution to journalArticleAcademicpeer-review

29 Citations (Scopus)

Abstract

The aim of this study was to evaluate the general characteristics of
commercially available enzyme-linked immunosorbent assays (ELISAs) to detect
antibody against classical swine fever (CSF), as well as to assess their potential
use as accompanying marker tests able to differentiate infected from vaccinated
animals (DIVA).
The Chekit* CSF-Sero and the HerdChek* CSFV Ab, both of which detect
antibodies against the E2 protein of classical swine fever virus (CSFV), had the
highest sensitivity. Both tests were practicable and showed good reproducibility.
Comparable sensitivity was shown by the Chekit* CSF-Marker, an Erns ELISA.
However, this test does not allow differentiation between antibodies directed
against ruminant pestiviruses and those against CSFV. Therefore, it is not
suitable for use with the chimeric marker vaccines tested.
The PrioCHECK® CSFV Erns was the only ELISA suitable for use in DIVA with
marker vaccines containing Erns proteins from ruminant pestiviruses. However,
this test was less sensitive and selective than the E2-ELISAs and cannot be
recommended.
Original languageEnglish
Pages (from-to)997-1010
JournalRevue scientifique et technique / Office International des Epizooties
Volume31
Issue number3
Publication statusPublished - Dec 2012

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