Letter from HH Gunson National Director National Blood Transfusion Service to Mr J Canavan Department of Health regarding Anti HCV Tests Mr Gunson wrote to confirm that 9000 donor samples had now been tested for antiHCV using the Chiron ELISA test marketed by Ortho Diagnostic Systems Ltd The results showed an average of 066% repeatable positives The Letter set out the positivity rates in samples extension of the evaluation of the tests having a pilot study financing for the study and protocols Mr Gunson requested that consideration be given to the purchase of 16500 tests The cost would amount to 25000