10) 2003: Hepatitis A from The World's Biggest Food Poisoning Scares

The World's Biggest Food Poisoning Scares

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10) 2003: Hepatitis A

The most widespread hepatitis A outbreak in U.S. history occurred thanks to tainted green onions at a Chi-Chi’s restaurant in Monaca, Penn. At least 640 people were affected, and four died. The outbreak made national news, and Chi-Chi’s reputation never really recovered.