It was smart of you and your mother to throw away the can and clean the area with a bleach solution. Remember to wash your hands too. That should take care of any problems.

There’s no way to know for sure which bacteria caused the can to swell and leak. Botulism is a type of food poisoning caused by Clostridium botulinum. This bacteria is the most common type found in canned goods because it grows well in airtight containers. It’s usually found in home-made canned foods, but it can be in store-bought ones if the can there was a problem when the can was made.