Although the agency has posted a final investigation report on a Salmonella outbreak traced to frozen coconut, officials at the CDC are concerned that additional people could be hit by food poisoning because of the product.

“This frozen shredded coconut has a long shelf life and may still be in people’s freezers. People unaware of the recall could continue to eat the products and potentially get sick,” according to the Centers for Disease Control and Prevention, which reported the likely source of the Salmonella outbreak was Coconut Tree Brand frozen, shredded coconut.

“CDC recommends people not eat, and restaurants and retailers not serve or sell, recalled Coconut Tree Brand frozen Shredded Coconut.”

Anyone who finds they still have the frozen coconut on hand should discard it and throughly clean and sanitize freezers, refrigerators, counters and anything else the coconut contacted.

The outbreak crossed the border, with at least one confirmed victim in Canada and 27 spread across nine U.S. states. At least six people in the U.S. required hospitalization. No deaths were reported.

Public health investigators in Massachusetts were key in discovering the outbreak while searching for the cause of an illness in their state.

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