Is eating sushi a bad idea when you currently have diarrhea?

I am having sushi for lunch because I cannot eat foods that contain oil right now due to diarrhea and sushi is one of the few foods that are made with no oil at all. Most people say you should avoid raw fish when your immune system is weak but I thought the odds I would get a parasite from eating sushi is very low, and the odds I would get nutrients from eating sushi is very high.

Is eating sushi a bad idea when you currently have diarrhea?
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