§ Mr. R. YOUNGasked the Minister of Health whether any and, if so, what antiseptic is added to the diththeria toxin used in the Schick test or to the toxin-antitoxin used for immunising purposes?
§ Sir A. MONDI am advised that the diphtheria toxin solution used in the Schick test contains 0.001 per cent, phenol, and the toxin-antitoxin mixture 0'5 per cent, phenol together with a trace of tricresol.