§ Mr. Ron DaviesTo ask the Secretary of State for Health, pursuant to his answer to the hon. Member for Caerphilly, 16 January,Official Report, columns 36–37, what is (a) the number of batches of the blood product factor 8 which have been discarded due to viral hepatitis B infection, (b) the dates on which such batches were discarded and (c) the percentage of overall production which the discarded batches represent.
§ Mr. FreemanI am advised that since 1982 when the Central Blood Laboratories Authority was established, batches of factor 8 were discarded for this reason in 1983, 1984 and 1988. A total of 10 batches representing approximately 1 per cent. of batches produced were involved.