Yellow Card System (Hansard, 26 June 1997)

HC Deb 26 June 1997 vol 296 c619W 619W

§ Mr. Llew Smith
To ask the Secretary of State for Health what is his Department's latest estimate of the proportion of adverse reactions reported under the yellow card system. [4922]

§ Ms Jowell
The proportion of all adverse reactions reported under the yellow card system is not known, as there is no means of knowing the total number of adverse drug reactions.