The Centers for Disease Control and Prevention say 48 million Americans get sick from eating contaminated food each year. That's one in six people.
One of the big challenges for companies is tracing those food products and getting them off the shelves quickly.
Kaitlin Wowak is an assistant professor of management at the University of Notre Dame Mendoza College of Business. She’s the lead author of a new study in the Journal of Business Logistics. She says a number of factors determine how difficult it is to recall a food product quickly.