Kali Hardig , 12 , is finally at Arkansas Children 's Hospital . She is walking with assistance during therapy sessions , she says . Of 128 known cases in the past half-century , just two patients have survived , according to the Centers for Disease Control and Prevention . It is brain infection , nearly always fatal , according to the CDC . Parasite generally occurs in people who swim in warm fresh water .
Kali Hardig , 12 , is finally at Arkansas Children 's Hospital . She is walking with assistance during therapy sessions , she says . It is brain infection , nearly always fatal , according to the CDC . Parasite generally occurs in people who swim in warm fresh water .