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In a recent issue of the Journal de Genève, Dr. Henri Audeoud calls attention to the work accomplished by Calmette and Guérin of the Institute Pasteur at Paris, in the preparation of their vaccine, which they call B. C. G., for immunizing infants against ultimate tuberculous infection. It is generally admitted at present that tuberculosis in adults is nearly always the lighting up of a tuberculosis contracted in infancy; therefore it is of the highest importance to act on children as early as possible. It is only exceptionally that an infant is born tuberculous; he becomes so, and the infection is due in 85 per cent of the cases to a more or less prolonged contact with some member of the family who is tuberculous. Prof. L. Bernard's researches have shown that contamination of nurslings reared by tuberculous mothers is inevitable, with a mortality of 95 per cent
GENEVA. JAMA. 1926;87(11):863-864. doi:10.1001/jama.1926.02680110063026