Several canned tuna brands have been pulled from shelves at Trader Joe's, H-E-B, Costco and Walmart over concerns about contamination that could cause a potentially fatal form of food poisoning. Tri-Union Seafoods voluntarily issued the recall last Friday "out of an abundance of caution.

The voluntary recall over botulism fears also covers cans sold at Safeway, Harris Teeter, Costco and other major grocery stores in dozens of states.

A canned tuna recall at Costco and other stores over a botulism risk has consumers on alert. Check if your tuna is affected and what to do next.