title: Norms and standards in epidemiology: case definitions.
mesh_terms: D002771:Cholera / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D004813:Epidemiology / Q000592:standards*; D006801:Humans; D010930:Plague / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D011159:Population Surveillance; D009626:Terminology as Topic; D015004:Yellow Fever / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology