U.N. staffer who worked in Sierra Leone has died of Ebola ; spouse being treated . The U.S. State Department says the woman was a "dedicated public servant," and that she had been working for more than two years at the United Nations Mission in Liberia (UNMIL) when she became infected. Quarantine period over for 43 of 48 people , Dallas County judge says . He 's tough enough to do that . '' WHO : Nigeria is free of Ebola after 19 cases and seven deaths .
U.N. staffer who worked in Sierra Leone has died of Ebola ; spouse being treated . The U.S. State Department says the woman was a "dedicated public servant," and that she had been working for more than two years at the United Nations Mission in Liberia (UNMIL) when she became infected. Quarantine period over for 43 of 48 people , Dallas County judge says . WHO : Nigeria is free of Ebola after 19 cases and seven deaths .