Tuberculosis control.
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The main thrust of public health policy in the control of tuberculosis is the identification and treatment of sputum positive cases. These are the most infectious patients. It follows that sputum examination is of more importance than chest radiography. Children with tuberculosis have usually acquired it from an adult contact, often a grandparent. Contacts are offered a tuberculin test and CXR. Managment depends on the results of these tests and age.