The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea. But sometimes ...

An amoeba parasite that causes potentially fatal dysentery in poor countries wreaks its havoc by eating intestinal cells alive, scientists reported on Wednesday. Called Entamoeba histolytica, the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Deadly brain-eating amoeba infections are increasing across the U.S.

Composed of a single cell, amoeba seem harmless enough: They look like playful critters waltzing under the spotlight of a microscope until they come upon a group of bacteria. Then, these previously ...

Add Yahoo as a preferred source to see more of our stories on Google. A green blob in center of image is attached to a pink circle to the left. There are three other pink circular shapes nearby. The ...

Add Yahoo as a preferred source to see more of our stories on Google. A 14-year-old boy in India died Thursday from an infection caused by a brain-eating amoeba he contracted while swimming in ...

A boy has died after exposure to a rare brain-eating parasite at Lake Mead, the popular recreation area near Las Vegas, health officials say. The brain-eating amoeba, known technically as Naegleria ...

Entamoeba histolytica (green) attacking human T-cells. A new paper by UC Davis researchers lays out a strategy for investigating how this parasite can hide from the human immune system while attacking ...

A 14-year-old boy in India died Thursday from an infection caused by a brain-eating amoeba he contracted while swimming in contaminated water. The teen, named Midrul, had reportedly picked up the ...