Parasites in wildlife don't just pose a risk to their wild hosts—they can also spread to domestic animals and humans, making ...

Whether it's finding a tick buried in your socks after a walk in the woods or yanking off a few leeches after a pond swim, parasites trigger revulsion in most of us. And forget about those worms in ...

Parasites are well known for sucking energy from their hosts, but can they drain energy from hosts even before infection? A new study by Scripps Institution of Oceanography at the University of ...

Using powerful microscopy tools as aids, they found that the kidney and heart were the only organs free of parasites in every ...

Malaria parasites with reduced sensitivity to two key drugs are spreading rapidly in Uganda, raising concerns about a widely ...

For decades, scientists have observed a clear pattern across the natural world: biodiversity tends to be higher near the equator and lower toward the poles. Known as the latitudinal diversity gradient ...

Kevin Lafferty emerges from the waters off Anacapa Island near Ventura, California, after spearing fish in March 2018. He’s advising a UCSB PhD student on research to determine if reef fish inside ...

Summer is an especially vulnerable time for getting a parasitic infection, according to doctors who specialize in treating infectious diseases. “As temperatures get warmer, parasites are able to ...

In a recent study, Brazilian scientists found that nearly all of the sushi-grade tuna they examined were infested with ...

It’s Halloween season, the liminal period when the general public seems to have a greater tolerance for stomach-churning content, so let’s talk about parasites, perhaps the most disgusting — and ...

Cyclospora, the parasite that has sickened thousands this summer in the U.S., requires time in the human digestive tract to reproduce.