Rare brain-eating amoeba found in water at several western national parks – including Lake Mead and Yellowstone

A rare “brain-eating amoeba” has been found in recreational waters at several western national parks, including Lake Mead, Grand Teton and Yellowstone.

Researchers discovered Naegleria fowleri, which can cause a fatal brain infection, after surveying 40 thermally impacted recreational waters in five national parks and recreation areas in the western U.S.