The 12-year-old Kali Hardig of Arkansas is now the third survivor of the rare but nearly always fatal infection caused by the brain-eating parasite Naegleria fowleri. Kali, who was admitted to Arkansas Children's Hospital on July 19 with a high fever and vomiting, had contracted the brain-eating amoeba while swimming at Willow Springs Water Park in south Little Rock, Ark., according to the Centers for Disease Control and Prevention (CDC).
http://www.livescience.com/38897-how-to-survive-a-brain-eating-amoeba.html