Validation and comparison of diagnostic methods Evaluation of six serological ELISA kits available in Italy as screening tests for equine infectious anaemia surveillance Validation according to OIE criteria of a serologic competitive enzyme-linked immunosorbent assay as screening method in surveillance programme Challenges and proposed solutions for more accurate serological diagnosis of equine infectious anaemia Is a diagnostic system based exclusively on agar gel immunodiffusion adequate for controlling the spread of equine infectious anaemia