Human and Bovine Infection; Extrapulmonary Tuberculosis.
—Chang1 analyzed 200 cases of extrapulmonary tuberculosis to determine the percentage of human and bovine infections. In the whole group, 72.5 per cent were infected with tubercle bacilli of the human type and 27.5 per cent with the bovine type of organism. However, in young children the infection was predominantly bovine (71 per cent in the age group from 1 to 5). This indicates that milk-borne infection still plays a prominent rôle in the younger groups and that pasteurization of milk and tuberculin testing of cattle are still not universal.
Diagnosis of Surgical Tuberculosis.
—Blair and Hallman2 advocated attempting to culture the tubercle bacillus as an aid in establishing definite diagnoses. One hundred and fifty specimens of synovial fluid, urine, pus, tissue and pleural exudate were studied. One hundred and six of the specimens were nontuberculous in origin and 44