title: Hepatitis A immunity in food-handling occupations.
authors.forename: D
authors.initials: D
authors.lastname: Köster
authors.forename: F
authors.initials: F
authors.lastname: Hofmann
authors.forename: H
authors.initials: H
authors.lastname: Berthold
mesh_terms: D004196:Disease Outbreaks; D005511:Food Handling; D005860:Germany, West / Q000453:epidemiology; D006506:Hepatitis A / Q000276:immunology*; D006801:Humans; D009784:Occupational Diseases / Q000276:immunology*