title: Concerns, challenges of keeping nation's food supply safe in 21st century being studied now.
authors: K S
authors: KS
authors: Raithel
mesh_terms: D004196:Disease Outbreaks / Q000453:epidemiology / Q000517:prevention & control; D005506:Food Contamination / Q000517:prevention & control*; D005511:Food Handling; D005514:Food Irradiation; D006801:Humans; D014481:United States