How do people get botulism from bad canned goods?

Prevent foodborne botulism by using safe canning techniques and throwing out leaking, swollen, or damaged cans and food that is discolored, moldy, or smells bad. ... Foodborne botulism is a rare but serious illness caused by eating foods that are contaminated with the disease‑causing toxin. read more

Here's what comes to mind as possibilities. I've worked on canning processes in the past during my career, but it's been a few years so I might be missing something. read more

Unless the Ohio potluck investigators find that the food that caused the illness was commercially canned, Schaffner said people have nothing to worry about. But if they see a can that is puffy or dented, discard it. "Spoilage of one kind or another likely occurred," he said. read more

Home canned goods are high risk foods. Photo Credit: Central IT Alliance/iStock/Getty Images Some 110 cases of botulism occur in the United States each year, according to the National Institutes of Health. read more