An outbreak of hepatitis A associated with green onions

Article Abstract:

The cause of the hepatitis A outbreak among patrons of a single Pennsylvania restaurant in November 2003 and factors that contributed to its unprecedented size are investigated. The analysis shows that green onions that were apparently contaminated before arrival at the restaurant caused this unusually large foodborne outbreak of hepatitis A and the inclusion of contaminated green onions in large batches that were served to all customers contributed to the size of the outbreak.

Health aspects, Food contamination

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Preventive foodborne diseases--what clinicians can do

Article Abstract:

An outbreak of hepatitis A in Pennsylvania in 2003 caused by contaminated green onions that affected 600 people shows that food-borne infections can still occur in the US. Doctors can educate their patients about the risks of food-borne disease, diagnose the infection promptly, and report all such cases to the local public health department. There is also an effective vaccine for hepatitis A, which is often transmitted by contaminated food.

Prevention, Foodborne diseases

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Hepatitis A outbreak associated with green onions at a restaurant -- Monaca, Pennsylvania, 2003

Article Abstract:

A total of 555 people became ill with hepatitis A after eating at a restaurant in Monaca, Pennsylvania, in November, 2003. This included 13 restaurant employees. The infection was traced to green onions that came from Mexico.

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