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1. Interference of vaccination against bluetongue virus serotypes 1 and 8 with serological diagnosis of small-ruminant lentivirus infection.

Author

Valas S, Le Ven A, Croise B, Maquigneau M, and Perrin C

Subjects
Animals, False Positive Reactions, Goats, Lentivirus Infections diagnosis, Reproducibility of Results, Time Factors, Bluetongue virus immunology, Enzyme-Linked Immunosorbent Assay methods, Goat Diseases diagnosis, Goat Diseases virology, Lentivirus isolation & purification, Lentivirus Infections veterinary, Viral Vaccines immunology
Abstract

The effects of the recent vaccinations against bluetongue virus serotype 1 (BTV-1) and BTV-8 in Europe on the reliability of enzyme-linked immunosorbent assays (ELISAs) currently used for diagnosis of small-ruminant lentivirus (SRLV) infection were examined. Primary vaccination against BTV-8 in goats induced an increase in reactivity that did not exceed 3 months in a whole-virus indirect ELISA and a competitive ELISA based on the gp135 glycoprotein. Subsequent BTV-1/8 vaccination extended the time scale of false-positive reactivity for up to 6 months. These results are of relevance for SRLV-monitoring programs.

Published
2011
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