Seafood and oil in the Gulf of Mexico

Should there be health advisories about eating seafood in the U.S. due to the BP Gulf oil spill/disaster? If 30% of American seafood comes from the Gulf of Mexico, how much of that is contaminated by this spill? Even if not directly, once oil enters the food chain and the global industrial supply chain, it could show up anywhere, right? Is that too alarmist? Or six months from now will there be a "suprising" epidemic linked to people who ate contaminated seafood? Maybe we should stop eating seafood (I'll miss you sushi and lox).