Systematic Veterinary Virology

Laboratory Diagnosis - Serological Tests

SEROLOGICAL TESTS

• Detection of virus-specific antibodies is particularly useful on premises suspected of having infections with CSF strains of low virulence.
• Due to the immunosuppressive effect of CSFV, antibodies cannot be detected with certainty until 21 days post-infection.
• Commonly performed serological tests are as below. All the three tests are specified tests for international trade as
  • Fluorescent antibody virus neutralisation test (FAVN)
  • Neutralising peroxidase-linked assay (NPLA)
  • ELISA