Tips for cooking shellfish

-- Before cooking, discard any shellfish with open shells.

-- For shellfish in the shell:

Boil until the shells open and continue boiling 5 more minutes or steam until the shells open and continue steaming for 9 more minutes.

Only eat shellfish that open during cooking. Discard shellfish that do not open fully after cooking.

-- For shucked oysters:

Boil for at least 3 minutes, fry in oil for at least 3 minutes at 375 degrees, broil 3 inches from heat for 3 minutes or bake at 450 degrees for 10 minutes.

-- Source: Center for Disease Control

This story was originally published June 14, 2016 at 11:00 PM with the headline "Tips for cooking shellfish ."