Diphtheria in an Institution

For several years we have had frequent small outbreaks of diphtheria. In *924, there were fifteen apparently separate outbreaks with a total of twenty eases, and in the early part of 1925, there were at different times six patients <ind eleven members of the staff down with mild attacks of the same thing. Of the whole thirty-seven cases, only two were serious, but it was obvious that at any time a severe epidemic might start. VV e seemed to resti ict each outbreak as^ it occurred by prompt isolation of contacts, and by the taking of many swabs till, m fact, the medical officer of health's staff began to revolt at the amount of