It takes two to 15 days for symptoms to appear after N. fowleri amoebas enter the nose. Death usually occurs three to seven days after symptoms appear. The average time to death is 5.3 days from symptom onset. Only one U.S. patient survived brain infection with these amoebas. This patient, a 9-year-old California girl, was successfully given anti-amoeba antibiotics and, after a month in the hospital, recovered completely. Worldwide, there have been seven reports of survival.
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How Long Do Brain-Eating Amoebas Take to Kill You?
