Kali 's doctors have been in virtually uncharted territory as they treat her for the rare amoeba , called Naegleria fowleri . Kali Hardig , 12 , continues to make progress at Arkansas Children 's Hospital . Hardig is walking with assistance during therapy sessions , hospital spokesman says . Hide Caption Parasite generally found in people who swim in warm , fresh water .
Kali Hardig , 12 , continues to make progress at Arkansas Children 's Hospital . Hardig is walking with assistance during therapy sessions , hospital spokesman says . Hide Caption Parasite generally found in people who swim in warm , fresh water .