September 8, 2014 2:17 PM EDT

A patient being treated in a Miami-area hospital for possible Ebola has tested negative for the disease.

The Centers for Disease Control and Prevention confirmed in a press conference Monday that a low-risk patient was tested for possible Ebola by a Florida state laboratory response network, and the test came back negative. The CDC will also be testing the specimen for a second confirmation.

So far, the only patients with confirmed Ebola to be treated in the United States are three health care workers who were infected with the disease in West Africa and were evacuated back to the U.S. Currently, Dr. Richard A Sacra, a physician working with the aid group SIM USA, is being treated for Ebola in a hospital in Omaha, Nebraska. In August, Dr. Kent Brantly and Nancy Writebol survived Ebola while being treated for their disease at Emory University Hospital in Atlanta.

The CDC says it will disclose further information after it tests the specimen of the Miami patient.

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