E. Bleed mixed with vomit or stool.

呕吐物含血或大便带血。

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A throat swab or stool specimen may be sent to a laboratory to determine which enterovirus caused the illness.

实验室可以通过鉴别咽式子和粪便标本来确定肠病毒的种类。

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Schistosomiasis is diagnosed through the detection of parasite eggs in stool or urine specimens.

血吸虫病的诊断方法是，检测粪便或尿液标本中寄生虫卵。

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Norovirus spreads easily via contaminated food or drinking water, but a more insidious route is from a person touching a surface contaminated with the residue of stool or vomit from an infected person and then touching his or her mouth before hand-washing.

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To avoid constipation, your doctor might recommend a fiber-rich diet or use of stool softeners.

CNN: Overactive bladder

Confusing the picture further are private labs that offer tests of stool or saliva that they say can definitively diagnose gluten sensitivity.

WSJ: New Guide to Who Really Shouldn't Eat Gluten