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.

Tuna sold in 26 states and in Washington, D.C., was recalled over concerns that it may have been contaminated. The stores affected include Trader Joe’s, Genova, Van Camp’s and H-E-B.

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