This report consists of 103 pages of which 83 are charts and graphs. It is extensive and complete and gives in detail the results of a wide scale testing with tuberculin and vaccination with BCG. The organization and plans for such a survey are explained completely. The material and reliability of the tests and the evaluation of each test is recorded. Children under 12 years of age had Moro tests and those over 14 years had Mantoux tests 1-10-000. Children showing a negative Moro were given a Mantoux test.