ArticleVeterinary research communications2026
Blood swabs represent an alternative sample matrix for detection of antibodies against classical swine fever virus during surveillance in wild boar.
Article in Veterinary research communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Passive surveillance of fallen wild boar represents an important tool for detecting notifiable diseases such as Classical swine fever (CSF) and African swine fever (ASF) which are showing comparable pathological findings. For differential diagnosis, it is advantageous to use one sample matrix for testing of both diseases. Especially, if no serum sample can be collected from wild suids, blood swabs represent an alternative matrix in ASF diagnosis. On this basis, the present study aimed to analyze blood swabs serologically using CSF antibody ELISAs and virus neutralization tests. In total, twenty-nine CSF antibody positive samples and one-hundred CSF antibody negative samples were examined. The results show that this sample matrix is also suitable for detecting antibodies against CSF virus (CSFV). In general, the sensitivity of blood swabs is slightly reduced compared to the analysis of serum, which can affect the classification of samples taken during early seroconversion. However, samples collected at ≥ 21 days post CSFV infection are tested safely antibody positive.
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