Roundworm eggs may remain alive in the soil for many months. Hookworms are small worms measuring one cm. They attach themselves to the walls of intestines within the bowel. They cause serious bleeding, and poison the patient as well. Pinworms are small white worms about 6.35 cm. in length.
Threadworms are small thread-like creatures which can be noticed in the stools of children.
The female worm, one cm. More than 30 different types of tapeworm infections may affect the human body. Some tapeworms are only a few inches long, others measure from ten to 30 feet or more in length. The hallmark of hookworm infection is intestinal blood loss, which contributes to the Burden of iron deficiency anemia. Recent research Supported by CTD showed the dramatic contribution of hookworm to the burden of Iron deficiency anemia in school-age children.