In 1916, Craig1described a new technic for the testing of skin sensitivity to tuberculin. Just prior to this, Hill2recommended this particular technic for vaccination against smallpox. Shortly thereafter, one of us (R. P. F.) was on service in a large hospital for contagious diseases. An epidemic of smallpox offered opportunity to compare Hill's method of vaccination with the orthodox scarification method. We were at once impressed with the many advantages this "multiple puncture" technic offered, and have since used no other method. The United States Public Health Service tried out Hill's multiple puncture method of vaccination and presented it, slightly modified, as the best method for routine use, in a convincing exhibit at the annual session of the American Medical Association in Dallas, Tex., in 1926. Among the chief advantages of the new technic, as pointed out at the exhibit in Dallas, are the ease and
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