But while present, they attach to the lining of the stomach and small intestine, where they can cause sudden abdominal pain, nausea, vomiting and diarrhea.

• 这些幼虫在人类体内存活时间并不长。不过一旦摄入，这些幼虫会附着到胃和肠的内壁上并引起忽然的腹痛，反胃，呕吐和腹泻。