With no new Ebola cases in five days, US authorities were cautious but hopeful that the virus has been contained in the United States after a flawed response revealed shortcomings in the system.
The fiancee of a Liberian man who died of Ebola earlier this month in Dallas, Texas was among nearly 50 people who emerged from three weeks of quarantine without any signs of illness from exposure to the virus that has killed more than 4,500 in West Africa since the beginning of this year.
About 100 more people, most of them health care workers, are being tracked in Texas after coming in contact with the first patient diagnosed in the United States in late September.
Still, officials said it was reassuring that no new infections had emerged in recent days.
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