Scientists are calling for urgent action on free-living amoebas—a little-known group of microbes that could pose a growing global health threat. Here's what you need to know.

Naegleria fowleri, commonly called the brain-eating amoeba, is a rare but serious threat in warm freshwater during hot months. The amoeba enters through the nose and travels to the brain, causing a ...

Deadly brain infections once associated with rare summer swims in southern lakes are now appearing in places that never ...

The amoeba is a single-celled organism that lives in hot springs, lakes and other warm freshwater bodies. The Missouri health department says this is only the state's third case on record, but ...

A Missouri resident has contracted a rare and often fatal brain infection caused by the Naegleria fowleri amoeba, commonly known as the "brain-eating amoeba." Infection occurs when water containing ...

A handout photomicrograph provided by the Centers for Disease Control and Prevention, depicts the characteristics associated with a case of primary amoebic meningoencephalitis, a rare brain infection ...