dertA few dozen U.S. troops will have exposure to laboratory samples from potential Ebola patients by running testing facilities in Liberia, the head of U.S. Africa Command said. While most of the 4,000 troops authorized to deploy to the west African country won’t have direct exposure to the virus — as Pentagon officials have previously emphasized — three or four specially trained personnel will run each of as many as seven testing labs, Army General David Rodriguez said today at a Pentagon news conference. “They are specifically trained to do that,” Rodriguez said of the lab personnel, which he called a “specialty element” of the larger force. In a statement after the news conference, Rodriguez said he had erroneously indicated that the military personnel would have direct contact with potential Ebola patients. In fact, he said, lab personnel will test “only samples.” More