. >> reporter: koral reef's life was just beginning. she said yes to the dress and married her high school sweetheart and was looking forward to her happily ever after. but her mother believes a family trip to lake havasu in arizona changed everything. >> she started with the headaches, the stiff neck and the sensitivity to light and heat was bad. >> reporter: around thanksgiving of 2013 koral's family noticed something was wrong, but doctors were never truly able to pinpoint a cause. in september, she started losing her vision. >> they showed us the mri and the amoeba -- which they didn't know at the time it was an amoab ba but there was a mask covering the right side of her brain. >> reporter: in october she died. doctors say she had a rare but extremely deadly amoab ba called balance balamuthia. >> only 13% of patients survive without any kind of treatment. >> reporter: the director of neurocare at the medical center says balamuthia is inhaled. it has been found in soil and dust. general symptoms make it hard to diagnose. >> the init