The U.S. Food and Drug Administration urges the country's food distributors, retailers, and food service operators to remove from sale or service all fresh, frozen, canned, and processed oysters, clams, mussels, and whole and roe-on scallops (molluscan shellfish) imported from South Korea. This includes molluscan shellfish from South Korea that entered the United States prior to May 1, when the FDA removed the products from the Interstate Certified Shellfish Sh...