Monitoring CSF virus valuable in control

The sensitivity and specificity of a serological test to distinguish vaccinated pigs from those naturally infected with classical swine fever (CSF) is proven and was accepted by the European Commission on the 5 December 2003. The test kit introduces new opportunities for control of CSF using a marker vaccination system, whether in emergency outbreak situations in CSF-free countries or for monitoring infection in a vaccinated population within CSF-infected regions.     This arti