The enzymoimmunologic (ELISA) method was used to diagnose spring viremia in carp. The specific antibodies to Rhabdovirus carpio in the fish sera were detected by this method. Reaction specificity was tested by the use of viral and control antigens, by examination of positive and negative sera and by serum-free control incubation. Applying the ELISA method, the antiviral antibodies can be detected after infection or vaccination: this method is therefore suitable for thorough studies and when choosing the appropriate treatments and preventive measures.
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