Two More Duluth, Minn., Residents Test Positive for TB

Two more Duluth-area residents have tested positive for TB but neither was a patient of Dr. Okechukwu Iwu, who developed an active form of the disease in November while practicing at St. Mary's and Miller-Dwan hospitals, health officials said. The cases bring to three the number of people who have tested positive for the disease. So far, tests on 41 of the 56 patients who have been advised to be tested have been negative, said Doug Schultz, department spokesperson. However, because only one of those three had a negative TB test before Iwu became active, it is the only transmission that can directly be linked to him. "We cannot rule out that the other two were infected before," Schultz said. "We do not know if they were infected 20 years ago."

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