Hundreds of people across 17 states have been sickened by the parasitic infection, often transmitted by consuming produce contaminated with human feces.

New evidence suggests that a disease-causing tapeworm that has been spreading across the United States and Canada has arrived in the Pacific Northwest. The tapeworm, called Echinococcus multilocularis ...

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, ...

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 ...