Faecalis

Strongyloises stercoralis is a facultative parasite that alternates with generations. Its spontaneous generation occurs on the ground and the parasitic generation occurs in the human body. Life history is complicated and the onset process is long. The clinical symptoms are complex and diverse. The mild ones are asymptomatic, and the severe ones have ulcerative ulceritis in the small intestine and colon, and even cause death. The local infection rate of local insects is about 10%.