<s>[INST] <<SYS>> This is a medical question of type : exams and tests <</SYS>> How to diagnose Parasites - Trichuriasis (also known as Whipworm Infection) ? [/INST] The standard method for diagnosing the presence of whipworm is by microscopically identifying whipworm eggs in a stool sample. Because eggs may be difficult to find in light infections, a concentration procedure is recommended. </s>