§ Mrs. BrowningTo ask the Secretary of State for Health what factors underlay the period time available to general practitioners to introduce the pre-school pertussis booster in 2001. [51603]
§ Yvette CooperIn 2001, general practitioners were asked to switch from providing diphtheria tetanus vaccine to diphtheria tetanus pertussis vaccine as soon as they had received their supplies of the replacement vaccine.