xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
2. Clinical signs consistent with disease are observed in an animal kept on the premises, and the viral antigen or viral ribonucleic acid (RNA) specific to one or more of the serotypes of the disease virus has been detected and identified in samples collected from the animal or animals of the same epidemiological group.E+W