The United States Food and Drug Administration issued multiple advisories on Wednesday for oysters and clams that they say could be contaminated with norovirus, a serious gastrointestinal illness. The recalled oysters originated from British Columbia,

The Food and Drug Administration announced a recall for oysters that may be contaminated with norovirus. The oysters were distributed in at least 15 states.

Oysters and Manila clams distributed around the country have been recalled due to possible contamination with the highly infectious norovirus. The shellfish were distributed to restaurants and retailers in Arizona, California, Florida, Massachusetts, Michigan, New York, and Washington, according to the Food and Drug Administration.