ON THE SHIN REACTION WITH BCG PURIFIED TUBERCULIN

Abstract

The potency of 2 samples of the BCG purified tuberculin (BCGPT) obtained after Kurakane's (one of the authors) procedure, was investigated on 1399 persons who had not been vaccinated with BCG and 944 persons who had been vaccinated in comparison with the respective findings of the old tuberculin (0.1 ml of a 1: 2, 000 dilution) (OT) standardized by the National Institute of Health in Tokyo, and the following results were obtained