Division II.2.4 Virus identification tests

If evidence of CPE is observed at any stage, or if a haemadsorption test is positive, virus identification shall be carried out. The methods of choice for the identification of ISAV shall be RT-PCR in accordance with point II.1 and Immunofluorescence (IF) in accordance with point II.2.6. If it is considered that other viruses may be present, supplementary virus identification tests shall be carried out. If those tests have not resulted in a definitive identification of the virus within 1 week, the supernatant shall be forwarded for immediate identification to:

1. (a)

   the World Organisation for Animal Health (OIE) reference laboratory for ISA, or;

2. (b)

   a national reference laboratory F1....