Some states display notices for those at risk. Use them as reminders of how to avoid illness. Use small pots to boil or steam oysters. Do not cook too many oysters in the same pot, because the ones in the middle may not get fully cooked. Discard any oysters that do not open during cooking.
Steam live oysters four to nine minutes in a steamer that s already steaming.
Fry in oil for at least three minutes at 375 F. Broil 3 inches from heat for three minutes. F. Many consumers enjoy raw or lightly marinated seafood products such as sashimi, sushi, ceviche, gravlax, cold-smoked fish and raw shellfish. Commercially frozen fish are usually held at temperatures cold enough to kill the parasites that are present in raw fish. However, since bacteria that cause illness may still be present, individuals in the high-risk groups listed above should avoid raw seafood of any kind. Be certain clams, oysters and mussels come from certified shellfish-growing waters.