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to 111w This reaction, it is pointed out, does not necessarily indicate that there is a disease process going on. but :41 May indicate that the individual bas cone in» contact witb the tubercle r bacls. and may have.overcome the infection and thereby improved his immunity to the disease. Tests Hastes' Recovery. However, it i.s explained, there have been a' few cases each year,' which haehdto receive sanitarium, care, and by discoveririg these cases early, it, Is possible to save much of the long confinement, which, otherwise woutd be nectssary., These examinations at the, school are not compulsory, but the teachinig staff and student body appreciating the importance of -the work, have Éhown a' splendid co-operative spirit,, the physicians say. *The teaching staff, the, maintenance staff and and 1850, or 75 ýper cent, of the students have taken the test. Only '11 per cent showed reaction, which is said to be much less than in most high schools, and only about one-haif that anticipated. Physicias., Boards' Cooperate The New Trier board of education appreciated the importance of the tests, which alsohad the approval of th»e health officer.s of the various vil- lages of the township.; the north r shore branch of the Chicago Medical society, and the New Trier Township hard :ruru ize These Locoi- STANDARD DEALERS ~~e ~dproteciiO2 of South End No MiaWs L"md Our