Not a single person is known to have survived such an infection in the past decade , but Kali Hardig is hanging on in critical condition , according to doctors at Arkansas Children 's Hospital . Pasala , one to 12 days , is in critical condition at CDC . Willow Springs causes fatal brain infection , according to the Arkansas Children 's Hospital . Parasite generally found in people who swim in warm , fresh water .
Pasala , one to 12 days , is in critical condition at CDC . Willow Springs causes fatal brain infection , according to the Arkansas Children 's Hospital . Parasite generally found in people who swim in warm , fresh water .