Minutes of the Advisory Committee on the Virological Safety of Blood 8th meeting 21 November 1990. Chairman Dr J Metters. Members Dr H Gunson Dr R Lane Dr P Minor Dr R Mitchell Dr P Mortimer Dr R Perry Dr G P Summerfield Dr R Tedder Dr E Tuddenham Professor A Zuckerman. Secretariat Dr A Rejman J Canavan. Observers Dr G Mock Dr A George Dr A McIntyre Dr H Pickles Dr J Purves.