Table 4.
Details of actual assays used
Initial tests
Manufacturer of initial test
Manufacturer of confirmatory tests
*
Hepatitis B virus
B surface antigen (EIA)
Bioelisa (Launch) (March 91-June 93) Organon Hepanostika (June 93-June 94) Murex (June 94-Dec 96)
Pasteur, GEIS
Anti-B core (EIA)
Wellcozyme
Wellcozyme, Abbott IMx
Anti-B surface
Wellcozyme, Abbott IMx
Hepatitis C virus
Anti-C (EIA)
Ortho II (Sept 91-May 93) Murex (May 93-June 93) Ortho III (June 93-Aug 93) Murex (Aug 93-Aug 95) Pasteur (Aug 95-Dec 96)
Anti-C virus (EIA)
Ortho, Sanofi
Anti-C virus RIBA-3
Chiron
HIV
Anti-HIV 1+2 (EIA)
Wellcozyme
Anti-HIV
Immunometric, GPA, western blot
Human T cell leukaemia/lymphoma virus
Anti-HTLV (GPA)
Fuji
Anti-HTLV
Select antiglobulin
*
Performed at reference laboratory (Department of Virology, Royal Free and University College Medical School).
EIA=enzyme linked immunoassay.
GPA=gel particle agglutination assay.
