Brussels, 05/12/2003 (Agence Europe) - The European Commission today adopted a decision approving a new test to be used after vaccination against classical swine fever (CSF). This test will in the future make it possible, in case of emergency vaccination with a marker vaccine, to distinguish vaccinated pigs from pigs naturally infected with CSF. The Council Directive of 2001, include the possibility to make use of vaccines in case of an emergency. However, their use is seriously hampered by...