Also, as much as 10% of raw shellfish, while appearing perfectly fresh, are infected with organisms that can cause hepatitis, salmonella poisoning or cholera.

此外，多达10%的生贝类，虽然看起来非常新鲜，却已受微生物感染，可导致肝炎，沙门氏菌中毒或霍乱。

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But fin fish such as tuna are not associated with the contamination problems plaguing raw shellfish such as oysters.

CNN: Tuna making a splash in popularity

Shellfish and regional seafood are the house specialty, with oysters served grilled, Rockefeller, raw, fried, or stewed.

FORBES: Union Oyster House, Boston