Outbreak of hepatitis A associated with green onions

According to a study from the United States, "In November 2003, a large hepatitis A outbreak was identified among patrons of a single Pennsylvania restaurant. We investigated the cause of the outbreak and factors that contributed to its unprecedented size. Demographic and clinical outcome data were collected from patients with laboratory confirmation of hepatitis A, and restaurant workers were tested for hepatitis A. Sequence analysis was performed on a 315-nucleotide region of viral RNA extracted from serum specimens. Of 601 patients identified, 3 died; at least 124 were hospitalized."

"Of...

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