Levy, B S A large food-borne outbreak of hepatitis A. Possible transmission via oropharyngeal secretions. [electronic resource] - JAMA Oct 1975 - 289-94 p. digital Publication Type: Journal Article ISSN: 0098-7484 Subjects--Topical Terms: Disease Outbreaks--epidemiologyFemaleFood ContaminationFood HandlingFoodborne Diseases--epidemiologyHepatitis A--epidemiologyHumansMaleMinnesotaMouth--metabolismPharynx--metabolism