Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

Strands of parasitic worms found in dogs and cats are more likely to infect humans than other worm species, researchers said. monkeybusinessimages Getty Images/iStockphoto Strands of parasitic worms ...

The woman’s mysterious symptoms started in her stomach. Weeks of abdominal pain and diarrhea led to night sweats and a dry cough. Then, doctors found lesions on her lungs, liver and spleen. An ...

“Our clinical and epidemiologic findings show that the zoonotic eye fluke P. lacrymosus can infect humans in South America.