A species of organism closely related to a brain-eating amoeba has been found in a popular dam in Western Australia, sparking an urgent warning to swimmers.

A Florida resident has died after becoming infected with a rare brain-eating amoeba, officials say ... mouth because stomach acid kills the single-cell microorganism. People who are infected ...

A Florida man has died from a brain-eating amoeba ... The amoeba is normally harmless if it enters the body through the mouth because stomach acid kills the single-cell microorganism, said ...