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非胃肠道给药是非甲非乙型肝炎(NANBH)患者最常见的危险因素,但不少NANBH 患者有1种以上可能的感染途径。有NANBH 接触史的患者中,39%同时有非胃肠道给药史,5%为医务人员(主要是内科和牙科)。反之,在患 NANBH 的医务人员中。12%有NANBH 接触史。发病6周内的 NANBH 患者,其自述的流行病学和临床特点与甲型肝炎(HA)相似,一般不适用于 NANBH 传播的调查。在美国,感染 NANBH 主要通过非胃肠道的接触,在当地尚未证实经粪-口传播的 NANBH。在乙型肝炎(HB)传播中。牙科、医护、住院和其他经皮肤的可能性接触,不能断定为散发
Parenteral administration is the most common risk factor in patients with non-A, non-B hepatitis (NANBH), but many patients with NANBH have more than one possible route of infection. Among patients with NANBH history of exposure, 39% had a history of parenteral administration and 5% were medical staff (mainly medical and dental). Conversely, among NANBH-trained medical staff. 12% have NANBH exposure history. NANBH patients within 6 weeks of onset have a readme of similar epidemiological and clinical characteristics as Hepatitis A (HA) and are generally not suitable for the investigation of NANBH transmission. In the United States, infection with NANBH occurs predominantly through parenteral contact with NANBH that has not been confirmed by fecal-oral transmission in the area. In the spread of hepatitis B (HB). Dental, medical, hospital and other trans-skin contact possibilities can not be judged as exudes