It must be noted that you cannot get a Naegleria fowleri infection from swallowing water containing the amoeba. Moreover, an infected person can't pass it on to others. Some of the early symptoms ...

Her condition, Amoebic meningoencephalitis, was caused by the Naegleria fowleri amoeba, a rare but severe brain infection.

Naegleria fowleri is a rare and lethal infection caused by brain-eating amoeba (aka PAM) that thrives in warm freshwater lakes and rivers ...