May 19, 1906


JAMA. 1906;XLVI(20):1528-1529. doi:10.1001/jama.1906.02510470042006

Tuberculosis in childhood, especially latent tuberculosis, is a field comparatively neglected in the modern warfare against this disease. We have grown accustomed to concentrating our efforts on the adult consumptive and on general methods of prophylaxis and have not entered with any degree of fullness into the question of preventive measures for predisposed children. That latent tuberculosis is common in childhood must be admitted, even by those who are not willing to go so far as Behring does in this direction. Two interesting articles recently published from Heubner's clinic1 show that the blood of many non-tuberculous children agglutinates tubercle bacilli. Whether or not this test is to be regarded as positive proof of tuberculous foci in the body is still a question, but it was significant in these experiments that blood from the umbilical cord never agglutinated tubercle bacilli and the percentage of agglutinations was lowest in children with no

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