Court transcript from A and others v NBA litigation 24 October 2000. ExaminationinChief of Dr Harold Gunson. Discusses surrogate testing false positivity rates false negatives RTC testing confirmatory testing of reactive donors routine surrogate testing for NANB ALT second generation tests sensitivity of testing kits perceived seriousness of HCV PCR testing costbenefit analysis of testing losing donors counselling for positive donors a Panorama programme RIBA 1 ELISA HIV consideration of lookback RIBA 2 introduction of HIV testing funding the costs of implementation of testing when testing was implemented at which centres.