L. J., a male, was admitted to the hospital at age 11 years with cough, fever, easy fatigability, and loss of greater than 5 lb of weight. Five months prior to this admission, he had a flu- like illness which was followed by pneumonia 1 week later. He was treated by his local physician with IM penicillin, followed by oral penicillin with apparent improvement; however, he continued to cough. The cough was nonproductive with no hemoptysis. Review of his past history was negative except for occasional mild upper respiratory infections. Family history was negative with the exception of tuberculosis; both his father and aunt had had previous admissions to the hospital for active tuberculosis. …
