§ Dr. D. Johnsonasked the Parliamentary Secretary for Science what proportion of national expenditure on medical research over the past 10 years has been devoted to the development of an innocuous form of immunisation against smallpox.
§ Mr. Denzil FreethResearch is being undertaken into the development of new methods of immunisation against smallpox, but I regret that it is not possible to calculate the proportion of the national expenditure on medical research which is devoted to it.