title: Hepatitis A in waste water treatment plant workers: is vaccination necessary?
authors.forename: A A
authors.initials: AA
authors.lastname: Warlen
authors.forename: G L
authors.initials: GL
authors.lastname: Hoff
mesh_terms: D006506:Hepatitis A / Q000517:prevention & control*; D006801:Humans; D008923:Missouri; D009784:Occupational Diseases / Q000517:prevention & control*; D012722:Sewage / Q000821:virology*; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage* / Q000191:economics; D014942:Workers' Compensation
chemical_list: D012722:Sewage; D014761:Viral Hepatitis Vaccines