Once infected, most people do not survive—and experts suggest the risk may resurface this summer. Here are strategies for every swimmer.

It's nearly always fatal, and it's showing up farther north than ever. Here's what to know before you swim this summer.

Scientists are warning that a microscopic predator is quietly exploiting the world’s warming and aging water systems, slipping past filters and disinfectants to reach human noses and, in rare cases, ...

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The Naegleria fowleri amoeba can cause a rare but fatal brain infection that progresses quickly and can’t be cured. It has been found in several recreational locations in the U.S., with the number of ...

Have you ever seen headlines during the summer about a brain-eating amoeba infection? While extremely rare, an infectious disease expert explains what it is. “Naegleria fowleri is a microscopic amoeba ...