The recalled frozen shrimp were sent to 13 different states and were shipped into the country through four different ports.

The US Food and Drug Administration on Tuesday urged the public not to eat certain bags of frozen raw shrimp sold at Walmart, citing concerns about unsanitary conditions and radioactive contamination found in shipments from the same supplier.

Walmart has recalled frozen, raw shrimp sold in 13 states because federal health officials say it could have potential radioactive contamination.