Sources of Human Intestinal Worm InfectionWorm eggs, shed in the stool of humans or animals infected with adult worms, can contaminate soil or water. Once outside the body, eggs need several days or weeks to develop into the infective stage (cysts) or immature worms (larvae) that may be ...
Roundworms are parasites that commonly live in animal and human intestines. People with roundworms tend to experience...
too. Parents may get pinworms from their infected children. Adults who work at daycare centers, schools, or with institutionalized people may become infected. The parasites are small, but you may be able to see pinworms in stool. If you see worms in your poop, see a doctor. ...