Still, the FDA recommends that Walmart recall certain lots of Great Value raw frozen shrimp as a precautionary measure. The recalled shrimp were sold at Walmart stores in the following states—Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Missouri, Mississippi, Ohio, Oklahoma, Pennsylvania, Texas, and West Virginia.

The US Food and Drug Administration (FDA) on Monday warned consumers not to eat certain frozen shrimp products sold at Walmart after tests revealed possible contamination with Cesium-137, a radioactive isotope.

“To date, FDA has learned that Walmart has received implicated raw frozen shrimp, imported after the date of first detection of Cs-137 by CBP [Customs & Border Patrol], but from shipments that did not alert for Cs-137,” the statement noted.