§ Mr. BakerTo ask the Secretary of State for Health in what year the first vaccine was used on humans which may have utilised bovine material from BSE-infected cows in the early stage of manufacture. [122973]
§ Yvette CooperThis information is not available because the precise date of the emergence of BSE in cattle is not known and it is also not known if bovine material for use in the manufacture of vaccines was taken from BSE-infected cattle.