title: Hepatitis A outbreak associated with green onions at a restaurant--Monaca, Pennsylvania, 2003.
abstract: The Pennsylvania Department of Health and CDC are investigating an outbreak of hepatitis A outbreak among patrons of a restaurant (Restaurant A) in Monaca, Pennsylvania. As of November 20, approximately 555 persons with hepatitis A have been identified, including at least 13 Restaurant A food service workers and 75 residents of six other states who dined at Restaurant A. Three persons have died. Preliminary sequence analysis of a 340 nucleotide region of viral RNA obtained from three patrons who had hepatitis A indicated that all three virus sequences were identical. Preliminary analysis of a case-control study implicated green onions as the source of the outbreak.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D005516:Food Microbiology; D005517:Foodborne Diseases / Q000453:epidemiology* / Q000209:etiology; D006506:Hepatitis A / Q000453:epidemiology* / Q000635:transmission*; D030041:Hepatitis A virus / Q000302:isolation & purification; D006801:Humans; D008875:Middle Aged; D019697:Onions / Q000821:virology*; D010414:Pennsylvania / Q000453:epidemiology; D012147:Restaurants