Serial nitroblue tetrazolium tests in the management of infection.

Two cases are described in which extensive use was made of the nitroblue tetrazolium (NBT) test. In the first case the advantages of using this technique to diagnose and control infection is shown; in the second the considerable advantage of the speed of the technique. In both of these cases the test made a material contribution to the management of the patient, and it is concluded that the test brings bacteriological control of the patient within the immediate clinical area, thus overcoming one of the principal disadvantages of the classical bacteriological methods.