A fox parasite that can spread to dogs and humans has made another appearance in the Pacific Northwest, researchers at Washington State University said Tuesday. Commonly known as the fox tapeworm, ...

A parasite carried by billions of people worldwide often causes harmful infections during pregnancy and in immunocompromised ...

Entamoeba histolytica infects nearly 50 million people each year and kills around 70,000. It’s a shape-shifting parasite that invades the human gut, often causing mild symptoms like diarrhea. But in ...

Health officials are warning of a parasitic fly whose larvae feed on living tissue and can infest humans. The larvae feed on healthy tissue, according to health experts. New World Screwworm was ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For decades scientists have been puzzled by a tiny parasite that ...