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This work consists of the presentation of the results of several studies on tuberculosis: The first deals with the spread of this disease in Negro families of Jamaica, where it was found that more than 60 per cent of the children from birth to 4 years with manifest tuberculosis in the family react to tuberculin. By the age of 20 years, almost 100 per cent react. The authors state that tuberculosis in the Negro race of Jamaica pursues a much more rapid course than that of white people of European extraction. They point out further that nearly all persons who suffer from pulmonary tuberculosis in Jamaica are disseminators of tubercle bacilli.
The second study concerns the fate of Negro persons of Jamaica after contact with tuberculosis. The authors state that to acquire tuberculosis it is not necessary that infection occur in childhood, since the adults of Jamaica respond as readily
Studies on Tuberculosis. JAMA. 1941;117(9):816. doi:10.1001/jama.1941.02820350156032
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