How to limit your exposure to foodborne illnesses, according to an infectious disease specialist

Several states are reporting outbreaks of foodborne illnesses stemming from salmonella and cyclospora. Dr. Peter Chin-Hong, an infectious disease specialist at the University of California, San Francisco, joins CBS News with food safety tips. Several states are reporting outbreaks of foodborne illnesses stemming from salmonella and cyclospora. Dr. Peter Chin-Hong, an infectious disease specialist at the University of California, San Francisco, joins CBS News with food safety tips.