Parasitic nematodes (commonly known as roundworms) are a large, diverse and poorly studied group of disease-causing organisms ...

Here’s a comforting thought: you might not actually be alone in your own body right now. Parasites are far more common than most people realize, and they don’t care about your personal boundaries, ...

Scientists have discovered a new species of human parasite that appears to be resistant to common antiparasitic treatments, such as ivermectin. "The infection tends not to be deadly, but heavy ...

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 ...

More than 90 percent of popular freshwater game fish in Southern California contain a parasite that is capable of inducing strokes or heart attacks in the humans who eat them. Researchers said the ...