Trichuriasis (Human Whipworm)

Trichuris trichiura

The adult worms (approximately 4 cm in length) live in the cecum and ascending colon.

nematode (roundworm)

• 1. Most frequently asymptomatic.
• 2. Heavy infections, especially in small children, can cause gastrointestinal problems (abdominal pain, diarrhea, rectal prolapse) and possibly growth retardation.

No intermediate host indicated.

1. HUMANS

• 1. Unembryonated eggs are passed with the stool.
• 2. Ingestion (soil contaminated hands or food)

Microscopic identification of whipworm eggs in feces is evidence of infection.