A major recall of canned tuna sold in dozens of states has been issued amid concerns that a packaging defect could cause “a potentially fatal form of food poisoning,” the manufacturer said in a statement.

Concerns around botulism, a potentially fatal form of food poisoning, are rising after canned tuna sold at popular grocery stores was recalled. But what is the illness and how does it develop?

Food poisoning is an illness that people get after consuming some food or drinks that may be contaminated. It commonly occurs due to germs present in the food or drink. It manifests as loose motions,