Sheep and goat farmers in the Northeast have reported 20% losses from herds this winter due to liver fluke, a trematode or flatworm that infests the liver, causing damage and a deadly secondary ...

Doctors in California found a throng of flatworm parasites overrunning a man’s innards—and they caught one of the little beasts on a horrifying video. The case began innocently enough: a 40-year-old ...