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宾夕法尼亚卫生部和CDC正在对宾夕法尼亚州Monaca一餐厅(餐厅A)顾客中的甲型肝炎暴发进行调查。到11月20日,共识别出大约555名甲肝病人,其中至少包括13名餐厅A的食品服务人员和75名在餐厅A就餐的其他6个州的人员。3人死亡。对从3名甲肝病人获得的RNA病毒340核苷酸区的初步基因序列分析表明3株病毒基因序列完全相同。初步的病例对照分析认为青洋葱是此次暴发的传染源。
The Pennsylvania Department of Health and the CDC are investigating the Hepatitis A outbreak among customers at Monaca, Pa., In Restaurant A (restaurant A). By November 20, a total of 555 hepatitis A patients were identified, including at least 13 foodservice staff in Restaurant A and 75 in the other six states dining in Restaurant A. 3 people were killed. Preliminary gene sequence analysis of the 340 nucleotide region of the RNA virus obtained from three Hepatitis A patients showed that the sequences of the three virus genes were identical. Preliminary case-control analysis that green onion is the source of the outbreak of infection.