Ebola Survivor: I Felt Like I Was Going to Die

Asheville, North Carolina: A U.S. doctor who survived after contracting Ebola while doing missionary work in Liberia says he's "very close" to the doctor most recently diagnosed with the disease and has spent time in "tearful prayer" for him.

Dr. Kent Brantly also told NBC News that he feared his own death, telling a nurse at one point he had "no reserve and I don't know how long I can keep this up."

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NBC News released a portion of its interview with Brantly on Tuesday, the same day officials from the North Carolina-based missionary group Serving In Mission said a third doctor had contracted the disease.

Brantly and a female missionary from Serving in Mission recovered in isolation at Emory University Hospital in Atlanta. Both were released last month.