An unidentified Ebola patient has been released from Atlanta's Emory University Hospital, said to be free of the virus, WSB-TV reported Monday.

The patient was admitted to the hospital on Sept. 9 and asked to remain anonymous. The man worked for the World Health Organization and contracted the virus while working in Sierra Leone.

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In a statement from Emory University Hospital, officials said the man was released from the hospital on Sunday.

"The patient was determined to be free of virus and to pose no public health threat," the statement said. "The patient has asked to remain anonymous and left the hospital for an undisclosed location. He will make a statement at a later date."
 
A fourth Ebola patient, Amber Vinson, remains at Emory for treatment for the disease. Vinson arrived at Emory University Hospital on Oct. 15.
 
Vinson worked as a nurse at a Dallas hospital where a Liberian man, Thomas Eric Duncan, was being treated for the deadly virus after flying to the United States. Vinson was flown to Emory to receive treatment last week.