31. Mr. David Adamsasked the Minister of Health whether, in view of the fact that immunisation is now commonly used in the prevention of diphtheria and that in certain areas this form of treatment is not in general use, he has considered the desirability of issuing a circular to local authorities upon this matter?
§ Mr. ElliotA memorandum on the production of artificial immunity against diphtheria was issued to medical officers of health in 1933. This memorandum is at present being revised with a view to its re-issue.